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
It's completely beyond my grasp.
我完全摸不着头脑。
You'll be on air in two minutes.
两分钟以后你会上电视。
Unlike her friends, she never gave up hope.
与她的朋友的不同之处是，她从不放弃希望。