Clappet (valve)
[化] 止回阀
🧩 词语组成解析
[建] 止回阀
🗣️ 情景例句
If you watch carefully you will see how to do it.
你若细心观察，就会知道怎么做这件事。
Please try and answer the request soon.
请试着立刻回答人家的请求。
We'd better not just talk; let's go to the river to bathe.
我们最好别光顾说了；咱们去河里游泳吧。