backup

the act of providing approval and support

提供批准和支持的行为

his vigorous backing of the conservatives got him in trouble with progressives

他对保守派的大力支持使他与进步派有了麻烦

backing

championship

">patro

(comr science) a copy of a file or directory on a separate storage device

（计算机科学）单独存储设备上的文件或目录的副本

he made a backup in case the original was accidentally damaged or erased

他做了备份，以防原件被意外损坏或擦掉

comr backup

a musical part (vocal or instrumental) that supports or provides background for other musical parts

支持或提供其他音乐部分背景的音乐部分（声乐或器乐）

accompaniment

musical accompaniment

support

someone who takes the place of another (as when things get dangerous or difficult)

代替别人的人（如当事情变得危险或困难时）

the star had a stand-in for dangerous scenes

这位明星在危险的场景中扮演替身角色

we need extra employees for summer fill-ins

我们需要额外的员工来做暑期补习

stand-in

substitute

relief

r">relir

backup man

fill-in

an accumulation caused by clogging or a stoppage

堵塞或堵塞引起的堆积

a traffic backup on the main street

大街上的交通后备队

he discovered a backup in the toilet

他在厕所里发现了一个后备人员