Crank arm
[机] 曲柄臂
🧩 词语组成解析
crank
[kræŋk]
n. [机]曲柄;妙语，奇想;〈美俚〉想法古怪的人;〈口〉脾气乖戾的人;
vt. 转动曲柄移动;使弯曲;给…装上用于转动的曲柄;转动曲柄开动（引擎）;
adj. 奇异的，古怪的;易怒的;
arm
[ɑrm]
n. 臂;武器;[复数]战事;权力;
vi. 准备（斗争），准备行动（against）;
vt. 装备（防御工事）;准备（攻击或迎击）;配备;防护;
🗣️ 情景例句
I think I'll need your expert assistance this afternoon.
我想，我今天下午需要你专业的协助。
I told him to stay till he comes back.
我告诉他留下来等他回来。
We've been anxious about you. We were expecting you back much earlier.
我们都为你们着急呢。都盼着你们早点儿回来。