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单词 life cycle
释义

life cycle

noun
/ˈlaɪf saɪkl/
/ˈlaɪf saɪkl/
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  1. (biology) the series of forms into which a living thing changes as it develops
    • the life cycle of the butterfly
    Topics Biologyb2
  2. the period of time during which something, for example a product, is developed and used
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更新时间:2026/6/10 12:18:05