n. a body having finite mass and internal structure but negligible dimensions
n. a function word that can be used in English to form phrasal verbs
n. 颗粒, 粒子, 质点, 极小量
[化] 粒子; 质点
1. A particle can be as small as an atom.
一个粒子可以小到原子那么小。
2. Scientists study particles to understand the universe better.
科学家研究粒子以更好地理解宇宙。
3. The air contains many tiny particles that we cannot see.
空气中含有许多我们看不见的小粒子。