| 单词 | life cycle |
| 释义 | life cycle 1. 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] |
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