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单词 life cycle
释义

WordReference Random House Unabridged Dictionary of American English © 2024
life′ cy′cle, 
    1. Developmental Biology[Biol.]the continuous sequence of changes undergone by an organism from one primary form, as a gamete, to the development of the same form again.
    2. a series of stages, as childhood and middle age, that characterize the course of existence of an individual, group, or culture.
    3. any similar series of stages:the life cycle of a manufactured product.
    • 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::
life cycle n
  1. the series of changes occurring in an animal or plant between one development stage and the identical stage in the next generation
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更新时间：2025/2/23 10:39:53