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1. Oxford Dictionary

   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

2. • 釋義

   n.

   名詞

   • 1. the period over which eggs, cells, etc. are incubated.
   • ▪ 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