back up
vi. (因积聚而)拥堵, 堵塞
vt. 支持, 援助, 倒退, (资料)备份
例句与用法:
His condescending attitude really gets my back up.
他那种居高临下的恩赐态度实在使我很生气。
He drought along a file of document to back up his claim.
他随身携带一卷宗文件以便证实索赔要求。
As the1979 deadline came nearer, some states which at first had backed up the Equal Right Amendment changed their mind and voted against it.
1979年这个期限临近了,最初支持平等权利修正案的一些州后来改变了主意,投票反对这个法案。
The bus had to back up and turn around.
汽车得往后退,再倒过来。
支持
He would have lost his position if you hadn't backed him up.
假如你当初没有支持他, 他可能已经失去职位了。
back up
词义辨析:
同义参见:
strengthen
accompany
reverse
accompany
befriend
testify
back upback up1.■支持The policeman wouldn't have believed me if you hadn't backed me up.如果当时你不支持我, 警察是不会相信我的。He backed up his arguments with facts.他以事实支持自己的论点。2.■堵塞The accident backed up traffic.事故使交通堵塞。3.■往后退You'll have to back up and turn around.你将不得不往后退并转身。4.■复制Make sure you back up the disk before you turn the computer off.一定要先复制磁盘, 然后再关电脑。
back up1.■(使)后退;倒退回去;倒(车):He backed up to the loading platform.他(把车)倒退到装货平台。2.■(使)倒着上:If you can't drive up the hill forwards, you'll have to back the car up.假如你不能把轿车正着开上山,就只好倒着开上去。3.■支持;援助;为…撑腰:John is expecting us to back him up at the next meeting.约翰期待我们在下次会议上支持他。4.■证实:Will you back up my story to the police?你愿证实我向警察讲述的情况吗?5.■补充:The argument is to be backed up by a lot of facts.这个论据将补充大量事实。6.■给…装上背衬:to back up a shopwindow with cardboard用卡纸垫衬商店橱窗背部to back up a bookcase with fibreboard用纤维板衬书橱背部7.■(使)积压,(使)拥塞,(使)阻塞,堵塞;(使)积滞,(使)聚集;使(车辆等)排成长龙:Mail is backing up at the post office.邮件积滞在那个邮局里。Traffic backed up for a mile.交通阻塞长达一英里。8.■[美国英语](流水受阻后)积聚上升起,积聚后倒流(或溢出),淤塞,泛滥;(障碍物等)阻挡(流水),使(流水)积聚上升:The flood water backed up the pipes for the dirty water.洪水使水管阻塞而倒流出了污水。9.■【航海学】拉紧(帆索未系住的一端):The boat is pulling away,back up there!船要松开了,把绳子拉紧!10.■【体育】(球员)给…补位,后退补位,跑到(本队球员)背后策应;接应:In football the linebacker backs up the linemen.在足球赛中后卫接应前锋。11.■【印刷】印(一印张的)反面12.■【计算机】作(数据文件的)备份,把…备份,制作(…的)后备软盘,备份复制,后备复制(数据)13.■[澳大利亚英语]重复(on)14.■[俚语](将注射器插在静脉里,把混入海洛因的血液)抽出或输入
见:back: back up
back up
名词 back up:
an accumulation caused by clogging or a stoppage
同义词:backup
someone who takes the place of another (as when things get dangerous or difficult)
同义词:stand-in, substitute, relief, reliever, backup, backup man, fill-in
a subordinate musical part; provides background for more important parts
同义词:accompaniment, musical accompaniment, backup, support
(computer science) a copy of a file or directory on a separate storage device
同义词:backup, computer backup
the act of providing approval and support
同义词:backing, backup, championship, patronage
动词 back up:
give moral or psychological support, aid, or courage to
同义词:support
move backwards from a certain position
同义词:back off, back down
establish as valid or genuine
同义词:back
make a copy of (a computer file) especially for storage in another place as a security copy
become or cause to become obstructed
同义词:clog, choke off, clog up, congest, choke, foul