subatomic particles 亚原子粒子
dust particles 微尘
grammatical particles 语法小词
A: Look at those tiny particles dancing in the air!
A：看那些在空气中飞舞的微小颗粒！
B: They are just small pieces of dust.
B：它们只是微小的尘埃。
1) 物理学中的微小物质粒子
2) 语法中的功能词
3) 极少量的物质
1. 微粒；颗粒
2. (语法) 小词；助词
noun
1. Very small pieces of something.
2. In grammar, a small word that has a particular function.
Synonym: grains, specks, bits