Arm elevator
[機] 鏈臂升降機
?? 詞語組成解析
arm
[ɑrm]
n. 臂;武器;[復(fù)數(shù)]戰(zhàn)事;權(quán)力;
vi. 準(zhǔn)備（斗爭），準(zhǔn)備行動（against）;
vt. 裝備（防御工事）;準(zhǔn)備（攻擊或迎擊）;配備;防護;
??? 情景例句
It can't go wrong.
不會有問題的。
There are three terms in a school year.
一學(xué)年有三個學(xué)期。
It took me ten minutes to persuade her to ring back later.
我用了10分鐘的時間才說服她過會兒再來電話。