Thread mandrel1
[機] 螺紋心軸
?? 詞語組成解析
thread
[θr?d]
n. 線;線索;線狀物;螺紋;
vt. 穿成串;將（針、線等）穿過…;用…線縫;給…裝入（膠片、狹帶、繩子）;
??? 情景例句
But next time, please ask me in advance to make a speech.
不過下一次請事先通知我一聲要做演講喔。
Answer a fool according to his folly.
以其人之道，還治其人之身。
Are we going there by bus?
我們要乘公共汽車去嗎？