Valve cover
[化] 阀套
🧩 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
Stone is still in the hospital, but he's making good progress.
世通还在医院，但他的身体康复得很快。
The voice is not distinct.
声音不清楚。
It's nice to finally meet you.
很高兴终于与你见面了。