atom
['ætəm]
n.原子, 微粒
例句与用法:
Scientists have unlocked the secret of the atom.
科学家已经揭开了原子的秘密。
A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
水分子含有两个氢原子和一个氧原子。
The atom bomb is of catholic concern.
原子弹受到普遍的关注。
An atom bomb would destroy a city.
一颗原子弹能摧毁一座城市。
The atom bomb is the offspring of the 20th century physics.
原子弹是20世纪物理学的产物。
Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
两个氢原子和一个氧原子结合而成一个水分子。
The tower was blown to atoms by the force of the explosion.
爆炸的力量把塔炸得粉碎。
n.[C]
1. 原子
2. 微小物; 微量, 一点儿
He couldn't produce an atom of evidence.
他一点证据也拿不出。
atom
名词复数:atoms
词义辨析:
同义:
n.原子
monad
n.微粒, 微量
jot
particle
corpuscle
scintilla
morsel
smidgen
shred
trace
bit
iota
同义参见:
molecule
crumb
shade
atom['ætəm]n.1.■【物理学、化学】原子2.■[the atom] [与限定词连用,常作定语]原子能,核能3.■微量,(最)少量4.■微粒,粒子5.■(学说、理论等的)不可分割的构成单元6.■【古代哲学】原子(小得不能再分割的微粒)7.■【计算机】组合电路单元break (或blow,smash)(something)to atoms将(某物)打得粉碎not an atom of一点也没有
atomatom[ˈætəm]n.1.■原子2.■微粒, 微量, 微小部分, 极微小的东西, 极少量的东西A molecule of water is made up of two atoms of hygrogen and one atom of oxygen.一个水分子是由两个氢原子和一个氧原子构成的。There's not an atom of truth in what he said.他所说的没有一点是真话。
继承用法atom-ageadj.1.■原子时代的atomblitzn.,vt.1.■原子弹闪电战atombombn.1.■原子弹
词性变化atomvt.1.■用原子弹轰炸atom-bombern.1.■原子轰炸机atomedicsn.1.■原子医学atom-free[ˈætəmˈfri:]adj.1.■无原子武器的atom-powered[ˈætəmˈpaʊəd]adj.1.■原子动力的atom-strickenadj.1.■受原子爆炸污染的atom-tippedadj.1.■装有原子弹头的atomism[ˈætəʊmɪzəm]n.1.■原子学[论]atomist[ˈætəʊmɪst]n.1.■原子学家, 原子论者
noun
- the smallest particle of a chemical element that can exist
原子
■(一般作 the atom)such particles as a source of nuclear energy
原子能;核能;
the power of the atom.
原子能。
■[usu. with negative]an extremely small amount of a thing or quality
微量
I shall not have one atom of strength left.
我一定会竭尽全力。
■[usu. as modifier](Canadian)a level of amateur sport, typically involving children aged between nine and eleven
(加拿大)原级(尤指由9-11岁儿童参加的业余运动级别)
eight atom hockey teams.
八支原级曲棍球队。
- Atoms consist of a tiny, dense, positively charged nucleus made of neutrons and protons, surrounded by a cloud of negatively charged electrons, roughly 10-8cm in diameter. Each chemical element consists of atoms with a characteristic number of protons. Atoms are held together in molecules by the sharing of electrons
- late 15th cent.: from Old French atome, via Latin from Greek atomos 'indivisible', based on a- 'not' + temnein 'to cut'
atom
名词 atom:
(physics and chemistry) the smallest component of an element having the chemical properties of the element
(nontechnical usage) a tiny piece of anything
atom
■The compound of above of 10 carbon atom calls polysaccharide.
10个碳原子以上的化合物叫多糖。
■N8 atom could form H-bond to the acceptor as a free base.
N8原子可能以游离碱形式与受体发生氢键作用.
■An incident electron can knock an inner-shell electron out of a target atom.
一个入射电子能把靶子原子的内层电子撞出来。
■A molecule is a thousand times bigger than an atom of hydrogen.
一个分子比一个氢原子大一千倍。
■An orbiting electron in an atom will have a magnetic dipole moment.
一个原子中旋转的电子会有磁偶极距。
■Each electron in an atom must have a different set of quantum numbers.
一个原子中,各电子必定有一套各不相同的量子数。
■An atom has two parts, the nucleus and the electrons.
一个原子分两部分,一部分叫原子核,一部分叫电子。
■An atom contains a tiny heavy nucleus.
一个原子含有一个微小而重的核。
■A nucleus and the electrons whirling around it make up an atom.
一个原子核及围绕它旋转的电子组成一个原子。
■Many properties of an atom are determined by the outermost electrons.
一个原子的许多性质都是由其最外层的电子所确定的。
■One atom of oxygen is linked to the nitrogen atom by a double bond.
一个氧原子以双键与氮原子相连。
■Being combined with two hydrogen atoms, one oxygen atom may form a molecule of water.
一个氧原子同两个氢原子化合,可以形成一个水分子。
■An arsenic atom can take the place of a germanium atom in the lattice.
一个砷原子能取代点阵子中的锗原子.
■A high-energy electron which penetrates into the metal atom may dislodge one of the inner electrons of that atom.
一个穿入金属原子的高能电子可以逐出该金属原子的一个内层电子。
■A normally occupied lattice site from which an atom or ion is missing.
一个缺失原子或离子的晶格节点位置。
■One proton is almost as heavy as an entire atom of hydrogen.
一个质子几乎与整个氢原子的重量相等。
■When an atom of U235 is split,several neutrons are set free.
一个铀235原子分裂时,释放出几个中子。
■An atom or a radical with a valence of1.
一价原子或一价基
■An atom or a radical with a valence of 1.
一价原子或一价基。
■Having one replaceable atom or radical.
一元的有一个可置换原子或原子团的
■An acid having one replaceable hydrogen atom.
一元酸只有一个可置换氢原子的酸
■Once an atom is ionized, it remains charged until it meets an electron.
一旦一个原子被电离,它就保持带电直到它遇到一个电子时为止。
■An oxide with each molecule containing one oxygen atom.
一氧化物每一分子含有一个氧原子的氧化物
■There is not an atom of water.
一滴水都没有。
■The atom of one element is different from those of all other elements.
一种元素的原子与所有其它元素的原子是不同的。
■No matter what substance it may be, it is made up of atom.
不管这是什么物质,都由原子构成。
■Two atom of hydrogen combine with one atom of oxygen to form a molecule of water.
两个氢原子和一个氧原子结合而形成一个水分子。
■Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
两个氢原子和一个氧原子结合而成一个水分子。
■The neutrons and protons form the core of the atom.
中子和质子构成了原子核。
■Subatomic physics deals with all entities smaller than the atom.
亚原子物理学研究一切小于原子的客体。
■Joint Research Center for Atom Technology, JRCAT.
从事原子分子极限操作技术的研究。
■He couldn't produce an atom of evidence.
他一点证据也拿不出。
■He has made scientific researches on atom for ton years.
他从事原子科学研究已十年了。
■He could not get up an atom of sympathy for her.
他对她激不出一点同情心。
■There is not an atom of truth is what he said.
他所说的没有一句是真话。
■There's not an atom of truth in what he said.
他所说的没有一点是真话。
■He applied the concept of quantization of energy to the hydrogen atom.
他把能量量子化的概念用于氢原子。
■There is not an atom of truth in his allegations.
他的说法没有丝毫真实性。
■No atom behaves precisely like a classical harmonic oscillator.
任何一个原子的性能都不会同经典谐振子完全相同。
■The atom of any element is pictured as resembling the solar system.
任何元素的原子都可以想象成与太阳系相似。
■As being known to all,the world is made up of small particle called atom.
众所周知,世界是由叫做原子的小微粒组成的。
■As been known to all,the world is made up of small particle called atom.
众所周知,世界是由叫做原子的小微粒组成的。
■A set of eight valence electrons in an atom or ion, forming a stable configuration.
八重态在一个原子或离子中,形成稳定组态的一组八个化合价电子
■The number of electron pairs an atom can share with other atoms.
共用电子对数,共价一个原子与其他原子共用的电子的对数
■The combining capacity of an atom or a radical determined by the number of electrons that it will lose, add, or share when it reacts with other atoms.
化合价,原子价原子或原子团与其它原子反映时由所失、增加成共享的电子数目决定的化合能力
■Half an atom is an impossibility.
半个原子是不可能的事。
■The schroedinger equation for the one-electron atom is exactly soluble.
单电子原子的薛定谔方程是可精确求解的。
■Atom: simplest form of an element that retains the properties of that element.
原子:一个元素的最简形式,拥有那个元素的属性。
■When an atom shoots out a photon of light, it recoils like a gun.
原子发出光子时,会象枪一样地反冲。
■An atom contains small particles carrying two kinds of electricity.
原子含有带有两种电的微粒。