Clappet (valve)
[化] 止回阀
🧩 词语组成解析
[建] 止回阀
🗣️ 情景例句
I just stopped by to say hello.
我只是顺路过来问个好。
Fear is often greater than the danger.
杞人忧天。
Don't let me down.
别让我失望。