Whitworth thread
[化] 英制標準螺紋
?? 詞語組成解析
thread [機]惠氏螺紋,英制螺紋
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
I'm going to use it for business.
我會在業務上用到它。
We had a good time.
我們玩的很開心。
But there was something wrong with the child.
但是，這孩子有點毛病。