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
Are you going to live with them?
您打算和他们一起住吗？
No wrong without remedy.
无错不可纠。
But I must ask my parents first. What time shall I come?
不过我必须先问问父母。我几点钟来呢？