External unit
[计] 外部设备
🧩 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
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Then monthly rent is $650, with a $300 security deposit.
月租是 650 美元，再加上 300 美元押金。
Might is (or makes or overcomes) right.
强权就是公理。
But your team is even stronger. I knew you would beat them because you had played so well in the league.
可是你们的队更强。我知道你们会打败他们的，因为你们在联赛中战绩很好。