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基本释义
  • b.不可分离
英英解释

  • 　2个名词解释

    1. the cardinal number that is the sum of nineteen and one
      [同] 20, twenty, xx
    2. (genetics) normal complement of sex chromosomes in a female

    　1个形容词解释

    1. denoting a quantity consisting of 20 items or units
      [同] 20, twenty, xx