Clappet (valve)
[化] 止回阀
🧩 词语组成解析
[建] 止回阀
🗣️ 情景例句
Chablis is fine.
好的。
I couldn't keep the appointment because I was sick.
我不能赴约因为我病了。
There is a bridge over the river.
河上有一座桥。