particle

A single particle of dust in the computer chip factory can ruin a whole batch.

(Chinese) 电脑芯片工厂里的一粒微尘就能毁掉整批产品。

Physicists use massive machines to study the behavior of subatomic particles.

(Chinese) 物理学家利用巨大的机器来研究亚原子粒子的行为。

In the phrasal verb 'give up', the word 'up' functions as a grammatical particle.

(Chinese) 在短语动词“give up”中，“up”这个词充当语法小品词。

The teacher explained how a particle can completely change the meaning of a verb.

(Chinese) 老师解释了小品词如何能完全改变动词的意思。