Servopump
[化] 伺服泵
🗣️ 情景例句
I care about more lockers for the teachers.
我关心教师要有更多的储物柜。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
Did you lose it?
丢了吗？