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backing-up的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
動詞 back up:
-
give moral or psychological support, aid, or courage to
-
move backwards from a certain position
-
establish as valid or genuine
-
make a copy of (a computer file) especially for storage in another place as a security copy
-
become or cause to become obstructed
backing-up的用法和樣例：
例句
- You'll have to back the car up and turn around.
你得倒車，掉頭走。 - If you can't drive in forwards, try backing it in.
若不能開車正面駛入，不妨倒車進去。
辭彙搭配
- top backing up roll 上支承輥
- backing up 封底焊
- backing-up strip 墊片
