Piston clearance
[化] 活塞间隙
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
That's nothing at all.
不用客气。
Two is company, but three is none.
两人成为伴，三人不结侣。
Can I have the key to the front door please?
我能带上前门的钥匙吗？