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atom
英 [ˈætəm]
美 [ˈætəm]
n. 原子
复数:atoms
高考CET4CET6考研TOEFLTEM4TEM8计算机
Oxford 3000 / Collins.2 / BNC.4241 / COCA.5184
牛津词典
noun
- 原子
the smallest part of a chemical element that can take part in a chemical reaction- the splitting of the atom
原子的分裂 - 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组成一个水分子。
- the splitting of the atom
柯林斯词典
- N-COUNT 原子
An atom is the smallest amount of a substance that can take part in a chemical reaction.- A methane molecule is composed of one carbon atom attached to four hydrogens.
甲烷分子由1个碳原子与4个氢原子构成。
- A methane molecule is composed of one carbon atom attached to four hydrogens.
双语例句
- A methane molecule is composed of one carbon atom attached to four hydrogens.
甲烷分子由1个碳原子与4个氢原子构成。 - The V2 was not an ordinary weapon: it could only be used against cities. Likewise the atom bomb.
V2火箭并非普通武器:它只能用于对付城市。***也是这样。 - A neutron is simply a neutral particle in the nucleus of an atom.
中子就是原子核里不带电的粒子。 - Neutrons and protons are bound together in the nucleus of an atom.
在原子核里,中子和质子是结合在一起的。 - He patented the idea that the atom could be split
他获得了“原子可以再分”这一概念的专利权。 - An atom itself is a complete whole, with its electrons, protons and neutrons and other elements
一个原子本身就是一个完整的整体,包括电子、质子、中子及其他元素。 - The power of the atom can be used to produce electricity.
原子能可以用来发电。 - There isn’t atom of sense in what you say.
你所说的话没有道理。 - Each of the four valency electrons of the carbon atom is shared with one of a hydrogen atom.
碳原子的四个价电子都各与氢原子的一个价电子共用。 - In this model the arrangement of bonds around the central atom is considered to depend upon how many valence-shell electron pairs.
在这个模型中,认为围绕中心原子的化学键的排列取决于价层中电子对的数量。 - Superpotent atom Smashers will undertake the quark quest in the1980s.
超高效的粒子加速器将于80年代投入夸克探索的工作之中。 - The compact core of the atom begins to appear.
紧凑的原子内核现身了。 - The chief differences between chlorophyll and heme are the presence of a magnesium atom in the center of the porphyrin ring.
叶绿素和血红素之间的主要的差别为在卟啉环中心存在一个镁原子。 - So there’s one electron in each hydrogen atom.
所以每个氢原子中有两个电子。 - This is a one electron atom.
这里有一个单电子原子。 - I started by saying, literally: This is an atom; this is a molecule.
我的第一堂课是这样开始的:这是一个原子;这是一个分子。 - The atom of lithium is made up of tee electrons, tee protons and four neutrons.
锂原子是由三个电子、三个质子和四个中子组成的。 - An atom normally contains equal numbers of electrons and protons.
原子在正常情况下含有数目相等的电子和质子。 - We utilize the atoms interact resonantly with a single-mode cavity, and introduce an auxiliary atom.
提出了一个利用单模腔场和原子的共振相互作用制备团簇态的方案,并引入了辅助原子。 - So, which atom is in need of those lone pair electrons?
那么,哪个原子需要这对孤对电子呢? - This simple molecule consists of one oxygen atom and two hydrogen atoms.
这个简单的水分子由一个氧原子和两个氢原子构成。 - We will consider this Zeeman effect for the hydrogen atom.
我们将对氢原子考虑此塞曼效应。 - His theory of atom was not sufficient for treatment of large atoms or molecules.
他的原子理论用于处理大的原子和分子是不能令人满意的。 - A proton or a neutron has about the same mass as a hydrogen atom.
质子或中子的质量和氢原子的质量大致相同。 - The anion OH having one oxygen and one hydrogen atom.
含一个氧原子和一个氢原子的OH负离子。 - And ion, which is an atom or group of atoms with an electrical charge.
和离子,它是一个原子或原子的电荷组。 - Water is spoken of as containing two atoms of hydrogen and one atom of oxygen.
人们说水含有两个氢原子和一个氧原子。 - A molecule of ammonia is made up of one atom of nitrogen and tee atoms of hydrogen.
氨分子包含一个氮原子和三个氢原子。 - A negative ion is an atom which has gained one or more extra electrons.
获得一个或多个额外电子的原子称为负离子。 - Ion: Atom or group of atoms with one or more positive or negative electric charges.
离子:带有一个或多个正电荷(阳离子)或负电荷(阴离子)的原子或原子团。
英英释义
noun
- (nontechnical usage) a tiny piece of anything
Synonym: moleculeparticlecorpusclemotespeck
- (physics and chemistry) the smallest component of an element having the chemical properties of the element
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