Internal diameter
[机] 内直径
🧩 词语组成解析
internal
[ɪn'tɝnl]
adj. 国内的;内部的;体内的;内心的;
prep. （机构）内部的;
n. 内脏，内部器官;本质，本性;
intern=inter 在…之内 + al 属于...的 → a.内的；国内的
🗣️ 情景例句
First, we have to catch some fish.
首先 ，我们得钓几条鱼。
How long will you be in?
你将进去多久？
Yu Yan and Jim were neck and neck. They both passed on their sticks at the same time.
余延和吉姆跑得一样快。