Piston clearance
[化] 活塞间隙
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
What year are you?
你是哪一级的？
We have drapes for the living room,but we need kitchen curtains.
我们有客厅窗帘，但是我们需要厨房窗帘。
They ask question like Li Lei, is it in your right hand?
“李磊，橡皮擦在你右手里吗？”