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
That's a relief.
现在我放心了。
I'm too tired.
我太累。
He was glad to get away with a mere twenty pounds and he beat a hasty retreat, clutching the precious bottle under his arm.
他庆幸自己只破费了20英镑便得以脱身。他把那宝贵的瓶子放在腋下夹着，溜之大吉。