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life cycle是什么意思

life cycle

美[laɪf'saɪkəl]  英[laɪf'saɪkl]

英英释义

Noun
  1. a series of stages through which an organism passes between recurrences of a primary stage
  2. the course of developmental changes in an organism from fertilized zygote to maturity when another zygote can be produced
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