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  1. incubation period

    • n.
      the period over which eggs, cells, etc. are incubated.;the period between exposure to an infection and the appearance of the first symptoms
    • noun: incubation period, plural noun: incubation periods

    • 釋義
    • n.
      名詞
    • 1. the period over which eggs, cells, etc. are incubated.
    • 2. the period between exposure to an infection and the appearance of the first symptoms:

      hepatitis B has an incubation period of 30 to 180 days

  2. 知識+