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 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 mechanisms for surfactant and alkali to affect polymer molecule structures are analyzed by laboratory experiments and theory inference.
通过室内实验和理论分析，就碱和表面活性剂对聚合物分子形态的影响及其作用机理进行了分析。
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。
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。
It's a small organic molecule.
这是一个小的有机分子。
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。
We do all of this to understand the chemistry of one molecule.
我们做了所有这样的事，以了解一个分子的化学性质。
The small molecule causing the conformational change is an allosteric effector.
引起结构变化的小分子叫做变构效应场。
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 molecule of an element consists of one or two atoms.
一个元素的分子包含一个或两个原子。