Particles
n. 粒子系统；微粒, 粒子；碎木料（particle的复数形式）
🗣️ 情景例句
But his teeth hurt, and he just can't get to sleep, poor dear.
但他的牙疼， 他不能入睡， 可怜的小宝贝。
He who makes no mistakes, makes nothing.
不犯错误，成不了事。
It is no use starting late in life to say:
年老的时候说