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
They enjoyed the film very immensely.
他们非常喜欢这部电影。
Whatever happens, don't worry.
不管什么事情发生，你都不要担心。
Who was that?
那是谁？