Clappet (valve)
[化] 止回阀
🧩 词语组成解析
[建] 止回阀
🗣️ 情景例句
How are things with you?
一切都好吗？
From mutual understanding, a comfortable situation has been creation.
由于彼此的了解，因而建立了愉快的关系。
Yes, please. That would be kind of you.
是啊。你真好！