Valve clearance
[化] 阀余隙
🧩 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
The food is delicious.
菜好吃极了。
Which one is the longest river in China?
中国哪条河流最长？
OK! Don't worry. I can get it.
不用担心，我能拿下来。