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bone up on短语解释_bone up on词组用法_bone up on短语词组_沉淀汉英词典
沉淀汉英词典

bone up on

B 开头单词

短语词组

    短語

  • to bone up on 鑽研
  • bone up on a subject 專攻一門學問
  • Bone up on a problem 突擊鑽研一個問題
    • 返回 bone up on