Male (screw) thread
[化] 外螺紋; 陽螺紋
?? 詞語組成解析
male
[mel]
adj. 男性的;雄性的;有力的;[植]雄性的，僅有雄蕊的;
n. 男;雄性動物;[植]雄性植物;馬累[馬律];
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
There's a time for everything.
事情要一件一件地做。
You can't make omelets (or omeletts) without breaking eggs.
有失才有得。
I can do nothing but that.
我只會做那件事。