atom
英 [ˈætəm]
美 [ˈætəm]
n. 原子
复数：atoms
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
Anatomis 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.
英英释义
noun
- (nontechnical usage) a tiny piece of anything
- (physics and chemistry) the smallest component of an element having the chemical properties of the element
双语例句
- The power of the atom can be used to produce electricity.
原子能可以用来发电。 - 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。 - 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？ - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - The atom of lithium is made up of three electrons, three 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。