Unified thread
[機] 英美統一螺紋, ABC螺紋
?? 詞語組成解析
a. 統一的；一致標準的
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'd like you to meet the head of the student relations committee.
我想見見學生關系委員會主席。
A word spoken is an arrow let fly.
一言既出，駟馬難追。
The other side of the picture is quite the opposite.
另一種想法恰恰相反，