Word · CEFR B1 · Frequency #3266
molecule
分子
the simplest structural unit of an element or compound
- 1.
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.
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。
- 2.
A tiny amount.
微量。
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。；微量。；些微；[化] 分子
In use
A water molecule consists of two hydrogen atoms and one oxygen atom.
Scientists use powerful microscopes to study how molecules move.
When you heat a solid, its molecules start to move faster.
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。
[adjective] molecule
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。
molecule [verb]
常见动词有'interact', 'form', 'contain', 'react'等。
Connections
Collocations
- water molecule
- 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。
- organic molecule
- 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。
- molecule of
- …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。
- single molecule
- 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。
- molecule formation
- 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。
Synonyms
Learner notes
Memory Tip
想象分子是细胞膜上的微小颗粒，mo联想‘膜’，lecule联想‘颗粒’。
Context & Register
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。
Pronunciation & Spelling
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'.
Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.