Nonreturn valve
[机] 止回阀
🧩 词语组成解析
不返回的, 止逆的, 止回的
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
May I speak to the head of the household?
我可以请户主听电话吗？
Let sleeping dog lie.
勿惊卧狗；切莫惹是生非。
Sensational News! By our reporter, Alan Jones. Karen Marsh arrived at London Airport today.
爆炸性新闻！由本报记者艾伦。琼斯报导。卡伦。马什今天到达伦敦机场。