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
May I see the mirror, please?
我可以照照镜子吗？
Flowers are blooming.
花朵绽放了。
I entered the hotel manager's office and sat down.
我走进饭店经理的办公室，坐了下来。