life cycle

英 [laɪf 'saɪkl] 美 [laɪf 'saɪkəl]

• 生存期； 生命周期

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