Clappet
[建] 止回阀
🗣️ 情景例句
It's a family business, it may not bring in a lot of money, but it keeps the family together.
这是家族生意，虽然不一定可以赚大钱，但可将整个家庭凝聚在一起。
Those that make the best use of their time have none to spare.
能充分利用时间的人不会有时间多馀。
Who's he?
他是谁？