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
Did you enjoy yourself last weekend?
上周末你过得开心么？
Money makes the world go round.
有钱好办事。
In much of China, spring is usually very short.
在中国的许多地方，春天通常很短。