Clappet
[建] 止回阀
🗣️ 情景例句
Payment by instalments is one of the terms of payment that has been accepted.
分期付款是通常被接受的一种付款方式。
Use your head!
动一下脑筋吧！
It is impossible to look for life on another planet using earth-based telescopes.
使用放置在地球上的望远镜是无法观察到其他行星的生命的。