Backing up
[机] 回投, 回冲, 回行
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
up
[ʌp]
adv. 在上面，在高处;起床，起来;向上;由低到高;
adj. 向上的;上升的;竖立的，垂直的;举起的;
vt.& vi. 增加;加速;提高;举起，拿起;
prep. 在…的上端;向高处;沿…而去;向…上游;
n. 上升，升高;兴旺，繁荣;上坡;（价格等）上涨;
🗣️ 情景例句
Please inform him that Chen Gang was calling.
麻烦你通知他陈刚来过电话。
Happy is he who knows his follies in his youth.
记得青年时所做的愚笨事的人是幸福的。
I still think we should buy the IBM PC586.
我仍然认为我们应该买IBM586的。