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
That's a practicable course of action.
那是一个切合实际的行动方案。
The brightest of all things, the sun, has its spots.
金无赤足，人无完人。
See if you can find out what the joke is.
看你是否能找出其好笑在何处。