molecule

英 [ˈmɒlɪkjuːl]

美 [ˈmɑːlɪkjuːl]

n. 分子

复数：molecules　

Collins.3 / BNC.3266 / COCA.4785

牛津词典

noun

分子
the smallest unit, consisting of a group of atoms, into which a substance can be divided without a change in its chemical nature
1. A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
  水分子由两个氢原子和一个氧原子构成。

N-COUNT 分子
Amoleculeis the smallest amount of a chemical substance which can exist by itself.
1. ...the hydrogen bonds between water molecules.
  水分子间的氢键

noun

(nontechnical usage) a tiny piece of anything
Synonym:atomparticlecorpusclemotespeck
(physics and chemistry) the simplest structural unit of an element or compound

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。
A chemical bond that involves sharing a pair of electrons between atoms in a molecule.
一个分子内原子间共用一对电子的化学键。
Combining two atoms of hydrogen with one of oxygen, you will get a molecule of water.
要是两个氢原子与一个氧原子结合，就可以获得一个水分子。
So tell me what this molecule does that makes it special
那么告诉我这个分子有何作用而使其与众不同。
In my biology class, we are studying the DNA molecule.
在我的生物课上，我们在学习DNA分子。
A hydrate is formed when one or more water molecules combine with a drug molecule in crystal form.
当一个或多个水分子和一个晶体形药物分子相结合时，就构成一种水合物。
The chemical structure of this particular molecule is very unusual.
这个特殊分子的化学结构很不寻常。
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 reverse process, you have something that's vibrationally excited colliding with a molecule.
逆向的过程，你有某个分子振动激发，和一个分子相撞。
The kind and number of atoms in a molecule determine a molecular mass.
分子中原子的种类和数量决定分子质量。