backup🔊 朗读

双语例句

1 . Every part of the system has a backup .

系统的每个部分都有备用元件。

来自柯林斯例句

2 . The police had backup from the army.

警方得到了军方的增援。

来自《权威词典》

3 . She once sang backup for Madonna.

她曾经为麦当娜伴唱.

来自《简明英汉词典》

4 . Have you kept a backup of this file?

你把这文件备份了 吗 ?

来自《简明英汉词典》