particle
🇺🇸
/ˈpɑːrtɪkl/
🇬🇧
/ˈpɑːtɪkl/
a very small piece of something
A tiny particle of dust floated in the air.
空气中漂浮着一粒微小的尘埃颗粒。
a word that combines with a verb to change its meaning
The word 'up' is a particle in the phrase 'pick up'.
在短语'pick up'中,'up'这个词是一个助词。