back up
back upphrasal verb
UK/ˌbæk ˈʌp/US/ˌbæk ˈʌp/
Dạng từ: backs up · backed up · backing up
SUPPORT
B2to support someone or say that what they say is true
- My friends backed me up when I complained.
- Can you back up your claims with evidence?
COPY
B2to make a copy of computer files in case the original is lost
- Remember to back up your files.
- I back everything up every Friday.
MOVE BACKWARDS
B2to make a vehicle go backwards
- Can you back the car up a bit?
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