Forepump
前置真空泵, 预抽真空泵
🗣️ 情景例句
But I think you two can have a good time together without me.
但我觉得， 我不去你们也会玩得很开心。
I wonder if the dentist could fit me in early tomorrow?
请问明天一早牙科医生能抽空给我看一下吗？
Nothing much. Only some school work. Why?
没什么事。只有一些作业。什么事？