Knuckle thread
[机] 圆顶螺绞
🧩 词语组成解析
knuckle
[['nʌkəl]]
n. 指节, 蹄爪, 膝关节\\nv. 以指节打, 以手指射
thread
[θrɛd]
n. 线;线索;线状物;螺纹;
vt. 穿成串;将（针、线等）穿过…;用…线缝;给…装入（胶片、狭带、绳子）;
🗣️ 情景例句
But please call first.
不过，请你先打电话。
Did you clean this yourself?
你自己亲自清理这个？
We have five different ones.
五种