趣英语 / 查找：“back up” [共找到3条结果]

  • back up的意思

    vi.协防，补防，支持，堵塞，复制，往后退...

  • back up怎么读？

    back up的音标：back up的英式发音音标为：[bæk ʌp]back up的美式发音音标为：[bæk ʌp]...

  • back up例句

    Some food labelling practices really get my back up.有些食物标签的贴法实在让我生气。He booted the ball 40 yards back up field.他一脚踢出40码远，把球踢回前场。Alternative treatments can provide a useful back-up to conventional treatment.替代疗法能为传统的治疗提供有效...