Clappet (valve)
[化] 止回阀
🧩 词语组成解析
[建] 止回阀
🗣️ 情景例句
It's important
这是很重要的
A bald head is soon shaven.
光脑袋，剃得快。
The development of films with sound became a problem for Chaplin.
有声电影的研制对卓别林来说就成了问题。