class
[klɑ:s]
n.等级, 阶级, 阶层,班级, 课, [生]纲, <口>出色的风度
v.分类
例句与用法：
In some countries, people who disagree with the government are classed as criminals.
在某些国家，凡是同政府持有不同意见的人都被视为罪犯。
We were both in the same class.
那时我们在同一个班。
She is attending evening classes in computer studies.
她在夜校上电脑课。
Class distinctions have become less important during the last 50 years.
在过去五十年间，社会等级差别已经变得不那么重要了。
词形变化：
动词过去式: classed | 动词过去分词: classed | 动词现在分词: classing | 动词第三人称单数: classes |
n.
1. (社会的)阶级; 社会等级[C][G]
They hope to win mass support among the middle class.
他们希望能赢得中产阶级的广泛支持。
2. 等级制度[U]
3. 班级; 年级[C][G]
The class were/was interested in his lecture.
班上学生对他的讲座都很感兴趣。
Are you in the third-year class?
你是读三年级吗?
4. (一节)课; 上课[C][U]
No talking is allowed during class.
上课时不准交谈。
5. (高低优劣的)等级; 种类[C]
6. 【美】(某一年度的)毕业班[C][G]
a class of 1994
一九九四年毕业班
7. 【生】(动植物分类的)纲[C]
8. 【口】高质量; 出色的风度(或外表等)[U]
a girl with real class
很有风度的姑娘
vt.
把……分类; 把……分等级; 把……归入某类(或某等级)[(+as/among/with)]
That state is classed as an agricultural area.
该州被划为农业区。
短语词组：
in a class by itself/oneself
1. 独一无二
Her mother's cakes are in a class by themselves.
她母亲做的蛋糕称得上是别具一格。
class
名词复数：classes
过去式：classed
过去分词：classed
现在进行时：classing
词形变化：
动词过去式: classed | 动词过去分词: classed | 动词现在分词: classing | 动词第三人称单数: classes |
词义辨析：
同义:
n.阶级; 等级
rank
status
grade
quality
position
n.种类
group
category
division
同义参见:
species
form
variety
dignity
description
genus
denomination
tribe
nature
classification
workshop
competition
rank1
assort
kingdom
department
style
type
class[klɑ:s; klæs]n.1.■种类，类别；门类2.■等级，级别；(飞机、车辆等的)舱位3.■阶级，社会阶级，社会等级4.■社会地位，(尤指)社会上层地位，上流社会5.■社会等级的划分，等级制度6.■[美国英语]学级，同年毕业生7.■(学生的)班，班级，年级8.■课，上课9.■同年出生的应征士兵；同年应征入伍的士兵10.■(作为单一实体的)社会特定集团的成员11.■[俚语](风度、举止、外貌等的)漂亮，优雅，优秀，出众12.■【生物学】(动植物分类学的)纲(低于门而高于目)13.■【数学】(数)集，级；(随机变量的)类，组14.■【语法学】 ＝ form class15.■【统计学】(频数或次数分布的)组vt.1.■把…分类(或分等级)；把…归入某类(或某等级):They may be classed in four groups.它们可以分成四种。China has always been classed as an agricultural country.中国一向被列为农业国。2.■把…编入某一班级:His daughter was classed in Class B.他的女儿被编入乙班。We hope the teacher will class Tom in our class.我们希望老师能把汤姆编入我们班里。3.■[口语]把…看做，认为(常与 as 连用):They classed him as a superman.他们认为他是个超人。vi.1.■属于…类(或等级)，被列为某类(或某级):They classed as poor and lower-middle peasants at the time of the land reform.土地改革时他们被划为贫下中农。adj.1.■[俚语]头等的，第一流的；极好的cut a class缺一节课in a class by itself (或 oneself)独一无二，独具一格；无与伦比in a class of its (或 his) own＝ in a class by itselflanded class地主阶级lower middle class中产阶级的下层no class[口语]劣等的，低劣的，不合格的；没地位的proprietary class有产阶级real class[美国俚语]高级的，优良的，优等的scheduled class贱民，不法之徒，不可接触者(印度种姓制度中地位最低的社会阶层)[亦作 Scheduled Castes]take (或 obtain) a class(英国学校毕业考试)考得优等，获得优异成绩the classes上层社会tourist class(飞机、轮船等)经济座，(客轮)三等舱
classclass[klɑ:s]n.1.■班， 班级； (一节)课； 讲习[补习]班； 年级； [美]（同年）毕业班；【军】同年入伍士兵2.■阶级， 社会等级3.■等级， 种类4.■［英］（大学）优等5.■［口］卓越， 优秀， 漂亮， 出众6.■【生】（动植物分类的）纲7.■【矿】粒度， 晶族class of post-graduates研究生班attend classes at a college在一所大学上课Training Class of Environmental Protection环境保护训练班the class of 1989 1989级the working class工人阶级I like to buy things of first class.我喜欢买上等的东西。He is a class tennis player.他是一个优秀的网球选手。She's got real class.她长得真漂亮。There's not much class about her.她没有什么出众之处。
词性变化class[klɑ:s]vt.1.■把...分类， 把...分等2.■把...分班组The critic classed him with the best writers of the age.评论家把他列入当代第一流的作家的行列之中。It is classed as an agricultural state.这个州被划为农业州。class[klɑ:s]vi.1.■属于...类［等、级、班、组等］
继承用法class-anglevt.1.■使（新闻报道等）具有阶级色彩classbook[ˈklɑ:sbʊk]n.1.■点名记分簿class-cleavagen.1.■类分裂（同一词出现在完全不同的功能中）class-consciousadj.1.■有阶级觉悟的class-consciousnessn.1.■阶级觉悟class-exercisesn.1.■课堂练习classfeelingn.1.■阶级感情classfellown.1.■同班同学class-for-itselfn.1.■自为的阶级class-formativen.1.■类别标志， 类别词class-limit
词性变化class[klɑ:s]n.1.■(质量管理)组限classlistn.1.■班级名册； [英]（大学）考试成绩优等生名单classmann.1.■班上的同学； [英]（大学）优等考试及格生classmate[ˈklɑ:smeɪt]n.1.■同班同学class-nounn.1.■类名词 classwarfaren.1.■阶级斗争classwork[ˈklɑ:sˌwɜ:k]n.1.■在教室做的作业classableadj.1.■可分类的， 可分等级的classless[ˈklɑ:slɪs]adj.1.■没有阶级的
noun
- a set or category of things having some property or attribute in common and differentiated from others by kind, type, or quality
等级；种类，品种
it was good accommodation for a hotel of this class.
对这一等级的旅馆来说，膳宿已经是很好的了。
a new class of heart drug.
一类心脏病新药。
■(Biology)a principal taxonomic grouping that ranks above order and below phylum or division, such as Mammalia or Insecta
(生)纲（目之上，门之下，如哺乳纲，昆虫纲）
■(Brit.)a division of candidates according to merit in a university examination
(英)（大学考试成绩的）等级
he received a third class in literae humaniores.
他人文科学成绩得了三等。 - [mass noun]the system of ordering a society in which people are divided into sets based on perceived social or economic status
（根据公认的社会地位、经济地位划分的）社会等级
people who are socially disenfranchised by class.
被社会等级剥夺了社会权利的人们。
[as modifier]the class system.
等级制度。
■[count noun]a set in a society ordered in such a way
社会阶级，阶层
the ruling class.
统治阶级。
■(the classes)(archaic)the rich or educated
(古)富人；受过教育的人
■(informal)impressive stylishness in appearance or behaviour
(非正式)（外表、举止的）风度，气质，高格调，高品位
she's got class—she looks like a princess.
她很有气质——像个公主。 - a group of students or pupils who are taught together
班，班级
■an occasion when pupils meet with their teacher for instruction; a lesson
课
I was late for a class.
我上课迟到了。
■a course of instruction
课程
I took classes in Indian music.
我参加了印度音乐课程的学习。
■(N. Amer.)all of the college or school students of a particular year
(北美)同届（大）学生
the class of 1907.
1907级学生。
- [with obj.](常作 be classed as)assign or regard as belonging to a particular category
把…分类，将…归类
conduct which is classed as criminal.
类属犯罪的行为。
- [attrib.](informal)showing stylish excellence
(非正式)优秀的
he's a class player.
他是位高手；他是个优秀的乐手。
class A (或 B, C) drug
- an illegal narcotic drug classified as being of the most harmful and addictive (or a less harmful and addictive) kind, possession or sale of which incurs corresponding legal penalties
A（或B，C）类毒品（根据其有害程度和上瘾程度划分为A，B或C类的某种毒品，私藏或出售将导致相应的法律处罚）
- (chiefly N. Amer.)a person or thing displaying impressive and stylish excellence
(主北美)出类拔萃的人，气质超群的人，出色的事物
- unequalled, especially in excellence or performance
（尤指优秀品质、表现）无与伦比的，独一无二的，独具一格的
- mid 16th cent. (in sense 3): from Latin classis' 'a division of the Roman people, a grade, or a class of pupils'
class
名词 class:
people having the same social or economic status
同义词：social class, socio-economic class
a body of students who are taught together
education imparted in a series of lessons or meetings
同义词：course, course of study, course of instruction
a collection of things sharing a common attribute
a body of students who graduate together
同义词：year
a league ranked by quality
同义词：division
elegance in dress or behavior
(biology) a taxonomic group containing one or more orders
动词 class:
arrange or order by classes or categories
同义词：classify, sort, assort, sort out, separate
class
■One economy class seat, is that right?
一个经济舱座位，对吗？
■A means of grouping jobs that require the same set of resources for their execution. There are two classes: input class and output class.
一种作业的分组方法，这些作业在执行时要求相同的一组资源。类别有两种：输入类和输出类。
■The first prize went to the youngest child in the class.
一等奖授予了班里年龄最小的学生。
■The junior class; the junior prom.
三年级生的班级; 大学三年级生举办的舞会
■You must pay attention to your teacher in the class.
上课的时候必须专心听老师讲课。
■Sealed sample of the above be to be take as arranged, but the bag of the1st class need not be sample.
上述封存好的样品，我们已经作了安排。至于一级品的袋子，不必送样品了。
■A degraded and squalid class or state of human existence.
下等阶层人类生活中一种堕落的，邋遢的阶层或状态
■The students flocked round their teacher after class to ask many questions.
下课后学生们聚集在老师身边问了许多问题。
■The monitor collected the exercise books after the class was over.
下课后，班长把练习册收了起来。
■Soon I dropped behind the rest of the class.
不久我就落在班上其他同志后面了。
■Everybody can come to this school, without respect to class, race, or sex.
不论阶级，种族，性别，人人都可进这所学校上课。
■No, I must not be late for class.
不，我决不能上课迟到。
■A person belonging to the middle class.
中产阶级属于中产阶级的一员
■In order not to go to class this morning, Mary cooked up an excuse about being ill.
为了今天早上不去听课，玛丽编造借口说是有病。
■The class is chopped up into small groups for oral drill.
为进行口语训练，班级分成为几个小组。
■Joe had a long paper to write for history class, but when the teacher asked for it, Joe hadn't got to the first base yet.
乔有一篇很长的历史课论文要写，可是老师要收到时候，他还没开始写呢。
■One single, second class, to winchester, please.
买一张去温撤斯特单程二等票。
■Second class is cheaper.
二等邮件较便宜。
■Henry is nowhere when it comes to the race for class president.
亨利在竞选级长中被远远抛在后面。
■Please wait behind after class today.
今天课後请你留下。
■The class has dropped below ten students this year.
今年这个班的学生降到了10人以下。
■There was a giggle from the back of the class.
从教室后面传来咯咯的笑声。
■He dozed off during the class.
他上课打瞌睡。
■Has he enrolled in the car maintenance class this year?
他今年报名参加汽车维修班的学习了吗？
■He always travels first class expense is no object.
他出门总是用头等票－－费用不成问题。
■He took the ninth position in his class of forty.
他在40 个人的班级里排第九名。
■He has some difficulties in his study, but with his comrades' help he has kept up with the class.
他在学习上有些困难，但在同志们的帮助下，他已跟上班上的功课了。
■He had lived all his life in the working class world.
他在工人阶级阶层生活了一辈子。
■He listens more attentively in class than the other student.
他在课堂上比其他学生更注意听课。
■He's behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
■He is not so sick but he can attend a class.
他尽管有病，还是可以上课。
■He's shown enough class for a champion chess player.
他展现了一流西洋棋士的卓越技艺。
■His constant blunders made him the laughing-stock of the whole class.
他总是出错，成了全班的笑柄。
■He is an outstanding pupil and, ipso facto, dislike by the rest of the class.
他是优秀的学生，正因为这个缘故，全班都不喜欢他。
■He has been in this class only a few weeks and he is already going ahead.
他来到这个班级才几个星期就已经取得了进步。
■He was always bottom of the class in maths.
他的数学成绩在班上总是垫底。
■He spoke to the class about the dangers of smoking.
他给班上学生讲了吸烟的危害性。
■He cuts down the finest story-teller in our class.
他胜过我们班级里最好的故事员。
■His French has come on a lot since he joined the conversation class.
他自从参加了会话班，法语取得了很大进步。
■He was picked out from the whole class to represent them at the other school.
他被挑选出来作为全班同学的代表，到另一所学校去。
■He always travels first class, because he says tourist class is too uncomfortable.
他说经济舱太不舒服了，所以外出旅游他总是坐头等舱。
■Anyone can join the club, without respect to class, race, or sex.
任何人，无论阶级、种族或性别，都可以加入该俱乐部。
■But his class instinct led him to turn history upside down.
但是他的阶级本能使他把历史弄颠倒了。
■You should not be absent from class.
你不应当旷课。
■How many students in your class can play the violin?
你们班有几个学生能拉小提琴？
■How many students are there in your class?
你们班有多少个学生？
■You should finish your English grammar drills in the class.
你应该在课堂上完成语法练习。
■Was your brother early to class yesterday morning?
你弟弟昨天早晨上课早到吗？
■How many pupils are there in your class?
你的班里有多少名小学生？
■What time does your class begin? It begins at eight-ten.
你的课几点开始？八点十分开始。
in a class by itself/oneself
1. 独一无二
Her mother's cakes are in a class by themselves.
她母亲做的蛋糕称得上是别具一格。
习惯用语at the top of one's class1.■出类拔萃， 居首位be no class1.■[俚]不足道， 无价值， 低劣的be classed with1.■归［列］入...类［等级］class of the field1.■[美]比赛的优胜候选人cabin class1.■(客轮)二等舱Cut a class1.■缺一节课depressed class1.■(印度的)最下层人民， 即所谓不可接触的贱民阶层get a class1.■毕业考试得优等obtain a class1.■毕业考试得优等take a class1.■毕业考试得优等in a class by itself1.■出众， 特好， 独一无二， 独具一格in a class by oneself1.■出众， 特好， 独一无二， 独具一格in class1.■在上课中in the same class1.■[美]同一类型的， 同等的landed class1.■地主阶级lower class1.■下层社会lower middle class1.■中产阶级的下层middle class1.■中产阶级not in the same class with1.■不能同...相比， 无法和...相提并论， 比不上...proprietary class1.■有产阶级scheduled class1.■(印度种姓制度中地位最低的)贱民take a class at (Oxford)1.■在（牛津大学）进荣誉班take a class of1.■担任...班的教师take classes in1.■听...课， 选修...课程the classes1.■上层社会， 知识阶层the classes and masses1.■各阶级和各阶层tourist class1.■(客轮)三等舱upper class1.■上层社会， 贵族阶层特殊用法absolute ideal class1.■绝对理想类abundance class1.■多度级accelerated class1.■速成班accuracy class1.■精度等级additive classes1.■加性类adjustment class1.■[美]（为学习困难学生办的）慢班， 补习班advanced class1.■高级班age class1.■年龄级all-day class1.■全日班alternative class1.■交替类（语义）ambig class1.■奇异类analytic isomorphism classes1.■解析同构类associate class1.■相伴类auxiliary class1.■辅导班baby class1.■婴儿班backward class1.■落后班beginner's class1.■[英]（托儿所）小班； 初学班canonical class1.■典范类canonical cohomology class1.■标准上［典范上］同调类canonical divisor class1.■标准［典范］除子类canopy (cover) class1.■林冠级character class1.■字符类别characteristic class1.■特征 曲线类型characteristic class of a fibre bundle1.■纤维丛的示性类characteristic class of a manifold1.■流形的示性类characteristic cohomology class1.■上同调类特征children's class1.■幼儿班clinohedral class1.■【晶】斜面类clipping coupons class1.■剪息票阶层， 食利阶层close class1.■封闭类， 有限类（一般指虚词， 变化较小）cobordism class1.■配边类cohomology class1.■上同调类complete class1.■完全类completely additive class1.■完全加性类comprador class1.■买办阶级conformal equivalence class1.■保形等价类congruence class1.■同余类conjugacy class1.■共轭类continuation class1.■补习班contrary class1.■反组cooperating class1.■合作班correspondence class1.■函授班countably additive class1.■可数加性类cover class1.■优势等级， 盖度级crown class1.■树冠级crystal class1.■晶类cutting class1.■采伐级cyclically moving class1.■循环移动类density class1.■密度级denumerable class1.■可数集（合）development class1.■[美]智力发展落后班diagonal cohomology class1.■对角上同调类diameter class1.■(直)径级differential class1.■微分类differential divisor class1.■微分因子类dimming class1.■(光学玻璃的)风化等级disciplinary class1.■惩戒班discrete class1.■离散类distribution class1.■分布类diver class (ducks)1.■潜水鸭类divisor class1.■除子类domatic class1.■【晶】斜面类dominant age class1.■优势年龄组dual cohomology class1.■对偶上同调类economy class1.■经济舱； 客机普通座ergodic class1.■遍历类， 各态历经的类ergodic recurrent class1.■遍历递归类erosion class1.■侵蚀等级essentially complete class1.■本质完备类evening industrial class1.■夜间职业班examination class1.■考试课example class1.■模范班experimental class1.■实验班express class1.■速成班extension class1.■推广班extramural classes1.■校外班failure classes1.■失效种类， 故障类fifth class1.■第五级货品file class1.■文件类别［分类］finitely additive class1.■有限加性类fire-cause class1.■火种fire class1.■火种fire size class1.■火灾等级（按火灾范围）fixed-income class1.■固定收入阶层formal class1.■形式类fresh air class1.■露天教学班freshman class1.■新生班function class1.■功能类fundamental cohomology class1.■基本上同调类general continuation class1.■普通业余补习班general summary class1.■概括课； 总结课generalized nilpotent class1.■广义幂零类generated hereditary class1.■生成的可传类generated monotone class1.■生成的单调类graduating class1.■毕业班hereditary class1.■遗传类homology class1.■(下)同调类homotopy class1.■同伦类immunoglobulin class1.■免疫球蛋白类implementation classes1.■实际应用课程in-and-outer class1.■[美]短期职业训练班insulation class1.■绝缘种类［等级］instructional class1.■教学班级intellectual class1.■知识阶级［分子］international rating class1.■国际级别interrupt class1.■中断级introductory class1.■启发课， 入门课， 绪论课isomorphism class1.■同构类isosemantic class1.■同义类isotopy classes1.■合痕类job class1.■工作等级［分类］junior class1.■低年级， 小学班； [美]三年级key class1.■关键字分类land-use classes1.■土地利用级别landscape class1.■景观级leaf-size class1.■叶级leisure class1.■有闲阶级leisure hour class1.■[美]业余学习班life-career class1.■生活职业班linear equivalence classes1.■线性等价类literacy class1.■扫盲班， 识字班Lloyd's class1.■劳氏船级locality class1.■地位级lock class1.■锁定级log class1.■原木等级lower class1.■下类， 下部lumber class1.■锯材等级luminosity classes1.■光度型machine classes1.■机械（作业）等级major work class1.■重点班make-up class1.■[美]补习班mapping class1.■映射类median class1.■中位数组Mediterranean class1.■地中海鸡类membership classes1.■从属度类merchant-capitalist class1.■商业资产阶级middle class1.■中层阶级minimal complete class1.■最小完备类mixed class1.■男女合班natural class1.■自然类night class1.■夜校nilpotent class1.■幂零类non-null class1.■非空类non-overlapping class1.■互不覆盖类noon-time classes1.■中午班normal training classes1.■师资训练班nuclear class1.■核类null class1.■零类nursery class1.■婴儿班occupational class1.■职业组operator class1.■算子类opportunity class1.■补习班orientation class1.■定向类outdoor class1.■露天教室； 室外课outgoing control class1.■输出控制级parallel class1.■平行班part-time class1.■业余班pattern classes1.■模式类别pedagogical classes1.■[苏]（女子中学附设的）师范班precedence class1.■优先类precision class1.■精度等级preparatory class1.■(入学前的)预备班principal ideal class1.■主理想类professional class1.■职业班； 职员阶层proprietary classes1.■有产阶级quasi-equivalence classes1.■拟等价类reception class1.■[英]（幼儿学校中的）小班recurrent class1.■递归类reenforcement classes1.■补习班right residue class1.■右可剩余类ruled class1.■被统治阶级selected class1.■所选类selective class1.■选择性类semantic classes1.■语义类别senior class1.■毕业班； 四年级； 高年级sense class1.■指向类sessional class1.■短期学习班shape class1.■形状等级ship's class1.■船级short-term training class1.■短期训练班singular class1.■奇异类singular homology class1.■奇异（下）同调类， 连续（下）同调类site class1.■地位级size class1.■树木径级； 孢粉大小等级supplementary class1.■附设班， 补习班social class1.■社会等级soil class1.■土级spectrum classes1.■光谱类别spherical class1.■球面类staining class1.■侵蚀等级stem class1.■(树)干级structural class1.■结构类subordinate class1.■从属类subsidiary class1.■附类summer make-up class1.■暑期补习班system class1.■作业级symmetry classes (of tensor)1.■对称（张量）类technical class1.■技术等级terminal class1.■毕业班texture class1.■质地（分）级top class1.■最高级topological isomorphism classes1.■拓扑同构类trace class1.■迹类trade extension class1.■[美]职业讲习班trade preparatory class1.■[美]职业预备班transfinite class1.■超限类translation class1.■(学生升级、升学)组成的新班； 翻译课tutorial class1.■(由导师个别指导的)研究班twilight class1.■夜校ultimate class1.■毕竟类unit class1.■单元类universal class1.■全类universality class1.■普通类upper class1.■上类， 上部user class1.■用户级void class1.■空类， 空集wage-earning class1.■工资劳动阶级writing class1.■写字课class by ability1.■按能力分班class for advanced studies1.■进修班， 高级班class for backward children1.■超龄［落后］儿童班class for illiterate1.■初学班， 扫盲班class of a curve1.■曲线的类class of a lattice group1.■格群类class of advanced training1.■进修班class of business1.■业务范围［种类］class of construction1.■建筑等级class of distribution function1.■分布函数类class of emission1.■发射类别class of exchange1.■交换台等级［类别］class of fit1.■配合类［级］别class of goods1.■货物等级（价率）class of liabilities1.■负债的种类class of paths1.■道路类class of permutations1.■排列类class of post-graduates1.■进修班； 研究生班class of resistance to acids1.■抗酸等级class of resistance to alkalis1.■抗碱等级class of risk1.■危险类别class of station1.■电台类别class of taxpayer1.■纳税人分级class of track1.■线路等级class of traffic1.■运输等级（快、慢）class of trains1.■列车等级（速度）class of triangulation1.■三角测量等级class of variate1.■变式类class of worker1.■工作人员类别