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
- This is a one electron atom.
这里有一个单电子原子。 - 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。 - 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。 - So there's one electron in each hydrogen atom.
所以每个氢原子中有两个电子。 - 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？ - We will consider this Zeeman effect for the hydrogen atom.
我们将对氢原子考虑此塞曼效应。 - 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。 - 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。原子弹也是这样。 - There isn't atom of sense in what you say.
你所说的话没有道理。 - 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。