Backed-up
后备的\\n应急的\\n备份
🧩 词语组成解析
a. 有背的；有财力支持的
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
Susan called early this morning. Susan
一大早打电话来。
Sorry to keep you waiting.
抱歉让你久等了。
It's only three hundred pounds. But, of course, it's not as good as the expensive one.
它只要300英镑。但是，它当然没有价钱高那种好。