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retract是什么意思？

retract

英[rɪˈtrækt] 美[rɪˈtrækt]
  • 第三人称单数：retracts;
  • 过去式：retracted;
  • 过去分词：retracted;
  • 现在分词：retracting;
    • 相关单词 retractationretractedretractileretractilityretractingretractionretractionsretractorretracts
    例句
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    • Verb
      1. formally reject or disavow a formerly held belief, usually under pressure;
      "He retracted his earlier statements about his religion""She abjured her beliefs"
      2. pull away from a source of disgust or fear
      3. use a surgical instrument to hold open (the edges of a wound or an organ)
      4. pull inward or towards a center;
      "The pilot drew in the landing gear""The cat retracted his claws"
    行业词典
    • 数学： 收缩核；