ONE PHRASE, IN CONTEXT

back up

备份；支持；后退

电影口语动词结构

类型主题插画

GET TO KNOW THE MEANING

同一个表达，不同的语境。

2 个义项

备份；支持；后退

IN A SENTENCE

Back up your photos before replacing your phone, or you may lose them.
换手机前先备份照片，否则可能会丢失。

来源：Expression V2 原创例句 · Expression V2段 back-up example 1Expression V2 创作

倒车；向后移动

IN A SENTENCE

Please back up slowly until you reach the marked line.
请慢慢往后倒，直到到达标记线。

来源：Expression Original Learning Examples — 口语必备库 — batch8 · Expression Editorial Team段 editorial-base-back-upOriginal English example and Chinese translation written for Expression; no third-party sentence text is reproduced.