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before [bi'fɔ:]    添加到生词本 复制网址
基本释义
  • ad. 以前;
    prep. 在...之前;
    conj. 在...之前;
常用短语
    1. before long
      adv.不久以后
    2. come before
      v.在...之前来,在...之上 v.习语,意为“由……审理” eg:That case is to come before the court of first instance. 那个案件由初级法庭审理。
    3. accessory before the fact
      【法】 事前从犯
    4. equality before the law
      【法】 在法律面前平等
参考例句
    1. Dysmenorrhea: Pain or cramps before or during menstruation.
      痛经:经前、经期疼痛的一种妇科病。
    2. The river bends several times before reaching the sea.
      这条河转了好几个弯才流入大海。
    3. Flush the bottle out before reusing.
      把瓶子刷干净以后再用。
    4. "Look before you leap" is a familiar expression.
      三思而行是一个很通俗的说法。
    5. He has a mug of cocoa before bed.
      他临睡前喝一缸子可可.
英英解释
  •  2个副词解释

    1. earlier in time; previously
      [同] earlier, before
      [例]
      • I had known her before
      • as I said before
      • he called me the day before but your call had come even earlier
      • her parents had died four years earlier
      • I mentioned that problem earlier
    2. at or in the front
      [同] in front, ahead, before
      [例]
      • I see the lights of a town ahead
      • the road ahead is foggy
      • staring straight ahead
      • we couldn't see over the heads of the people in front
      • with the cross of Jesus marching on before