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steepen ['sti:pən]    添加到生词本 复制网址
基本释义
  • vt. 使陡峭
    vi. 变陡峭
英英解释
  •  2个动词解释

    1. become steeper
      [例]
      • The mountain side has steepened
    2. make steeper
      [例]
      • The landslides have steepened the mountain sides