Precleaner
预清机, 粗选机
🗣️ 情景例句
Studying is a big boring, but it sure beats the unemployment queues.
学习是有点枯燥，但比起失业来好多了。
He is a good man whom fortune makes better.
好人走运人更好。
We waited and waited, but nothing happened.
我们等啊等啊，可情况没有变化。