substitutions

英[ˌsʌbstɪ'tjuːʃənz] 美[ˌsʌbstɪ'tjuːʃənz]
  • n.代替;被代替;被代替者名词substitution的复数形式.
  • ring n.戒指;环;圈;拳击场;马戏场;帮派n.铃声;钟声;电话;口气v.包围;环绕;形成圈v.打电话;回响;鸣响;按铃;听上去
  • substitution n.代替;替换;交换
名词 substitution:
  1. an event in which one thing is substituted for another

  2. the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help"

    用作名词 (n.)
    1. Such substitutions dramatically affected the performance of U.S. agriculture in the past century.
      这种代替措施在过去一个世纪里显著影响了美国农业的效能。