1
a molecule of [substance]
A molecule of water consists of two hydrogen atoms and one oxygen atom.
一个水分子由两个氢原子和一个氧原子组成。
分子
molecules — plural of molecule
先理解核心含义，再看它在真实句子里的用法。
分子
the simplest structural unit of an element or compound
A molecule of water consists of two hydrogen atoms and one oxygen atom.
一个水分子由两个氢原子和一个氧原子组成。
保持该元素或化合物化学性质的最小粒子；由化学键结合的两个或多个原子。
The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds.
微量。
A tiny amount.
A water molecule consists of two hydrogen atoms and one oxygen atom.
一个水分子由两个氢原子和一个氧原子组成。
Scientists use powerful microscopes to study how molecules move.
科学家用高倍显微镜研究分子如何运动。
When you heat a solid, its molecules start to move faster.
当你加热固体时，它的分子开始运动得更快。
A molecule of water consists of two hydrogen atoms and one oxygen atom.
一个水分子由两个氢原子和一个氧原子组成。
常用形容词包括'complex', 'simple', 'organic', 'inorganic'等。
The researchers synthesized a new complex molecule.
研究人员合成了一种新的复杂分子。
常见动词有'interact', 'form', 'contain', 'react'等。
These molecules interact with each other through hydrogen bonds.
这些分子通过氢键相互作用。
Not this
The molecule structure of water is H2O.
Use this
The molecular structure of water is H2O.
错误：将名词 'molecule' 误用作形容词。正确形式应为形容词 'molecular'（分子的），修饰名词 'structure'。
Not this
There are two molecule in that reaction.
Use this
There are two molecules in that reaction.
错误：可数名词 'molecule' 被误用为单数形式。当表示多个分子时，应使用复数形式 'molecules'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
水分子
A water molecule consists of two hydrogen atoms and one oxygen atom.
水分子由两个氢原子和一个氧原子组成。
有机分子
Glucose is an important organic molecule in biology.
葡萄糖是生物学中一种重要的有机分子。
…的分子
A molecule of carbon dioxide has one carbon atom and two oxygen atoms.
二氧化碳分子由一个碳原子和两个氧原子组成。
单个分子
Advanced microscopes can now image a single molecule.
先进的显微镜现在可以对单个分子成像。
分子形成
The study focuses on molecule formation in interstellar clouds.
该研究关注星际云中的分子形成。
Use molecules naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象分子是细胞膜上的微小颗粒，mo联想‘膜’，lecule联想‘颗粒’。
多用于科学或正式场合，特别是化学和物理学，指由原子组成的物质最小结构单位。日常非专业语境下较少使用。
The words 'mole' and 'molecular' share the initial 'mole-' spelling with 'molecule' but have different vowel sounds. 'Module' ends with '-ule' like 'molecule' but has a different consonant before the final '-ule'. None of these words rhyme with 'molecule'.
Dictionary facts from ECDICT, WIKTIONARY.