back up

US /bæk ˈʌp/
UK /bæk ˈʌp/
"back up" picture
1.

備份, 複製

to make a copy of information on your computer

:
•
You should always back up your important files.
你應該總是備份你的重要文件。
•
Did you remember to back up the system before the update?
你記得在更新前備份系統了嗎？
:
archiveduplicatecopysave
2.

支持, 證實

to support someone or something

:
•
I'll back you up if you need help.
如果你需要幫助，我會支持你。
•
The evidence doesn't back up his claims.
證據不支持他的說法。
:
supportcorroboratesubstantiateverifyconfirm
3.

倒車, 後退

to move backward, especially a vehicle

:
•
Can you back up a little so I can park?
你能倒車一點，好讓我停車嗎？
•
The truck had to back up to turn around in the narrow street.
卡車不得不在狹窄的街道上倒車才能掉頭。
:
reverseretreatrecede
:
backbackingfed up to the back teethon the up and upput/get someone's back uptake backcentre back