Clappet (valve)
[化] 止回阀
🧩 词语组成解析
[建] 止回阀
🗣️ 情景例句
But, my dear niece, please do consider my words very carefully before you decide.
但是我的孩子，在你做出决定之前请一定要认真考虑我的话。
It started out to be a beautiful day.
刚开始天气不错。
How could we do that?
怎么说呢？