0 a word or a part of a word that has a grammatical purpose but often has little or no meaning -- 小品词，语助词
1 an extremely small piece of matter -- 微粒，粒子
Dust particles must have got into the motor. 发动机里一定是进灰了。
Electrons are atomic particles. 电子是原子粒子。
She wouldn't give me even the slightest particle of information about what she'd been doing. 对于她所做的事情，她一丁点消息都不会透露给我。
A phrasal verb is a verb consisting of a verb plus a particle.
He often comes out with the wrong particle.
Uses of aufmachen contributed a further 32 percent, and other particles 22 percent.
However, relatively few such forms have been reported in the diaries, possibly because innovative uses of particles within regular paradigms are not very noticeable.
Overall, children relied on particles for their reversals 65 percent of the time.
Adenoviral particles can be taken up relatively efficiently by this cell line, but this does not result in transduction of cells.
When the pools dry, the rotifers turn into minute particles of dust, wrinkled and desiccated, awaiting the next rainfall.
The consequent build up of osmotically active particles within the gut lumen inhibits water reabsorption by the gut wall.
