Combination valve
[化] 复合阀
🧩 词语组成解析
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
Keep quiet about it if you know what's good for you.
什么也别说，免得你自个儿添不自在。
I wish to express my gratitude to you for your cooperation.
我要对你的合作表达感激之意。
He's not in trouble, I hope!
我希望他没有遇到麻烦！