External diameter
[化] 外径
🧩 词语组成解析
external
[ɪk'stɝnl]
adj. 外面的，外部的;表面上的;外用的;外国的;
n. 外部，外面;外观;外部情况;
exter出去+nal=al...的 → 出去的 →在外面的 →外部的
🗣️ 情景例句
I can see what needs to be done and do it.
我能了解该做什么并切实去做。
I remember the girl whose father goes there every summer.
我记得那个女孩的父亲每年夏天都去那里。
The hardened professional smuggler, on the other hand, is never troubled by such feelings, even if he has five hundred gold watches hidden in his suitcase.
而老练的职业走私犯却使手提箱里藏着500只金表，却也处之泰然。