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
- 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 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。 - 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。 - The compact core of the atom begins to appear.
紧凑的原子内核现身了。 - The power of the atom can be used to produce electricity.
原子能可以用来发电。 - 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。 - A molecule of ammonia is made up of one atom of nitrogen and three atoms of hydrogen.
氨分子包含一个氮原子和三个氢原子。 - 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。 - This is a one electron atom.
这里有一个单电子原子。