英语词汇“back up”的读音、翻译、释义、用法及例句-金世纪网

词汇	back up
释义	back up phr v 1 [T back sb/sth ↔ up] to support what someone is doing or saying, or show that it is true 支持〔某人做的事或说的话〕; 证实〔某事〕: He had evidence on video to back up his claim. 他有录像证据来证实他的说法。 2 [I,T back sth ↔ up] to make a copy of information on a computer 〔在电脑上〕复制（资料） 3 [I,T back sth ↔ up] to make a car go backwards 倒（车）
随便看	arms control arms race army army arm² arm¹ aroma aromal aromas aromatherapeutic aromatherapies aromatherapist aromatherapists aromatherapy aromatic aromatical aromatically aromaticities aromaticity aromaticness aromaticnesses aromatics arose *around around

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