created sense approved 世代交替 · shìdàijiāotì · alternation of generations
世代交替
shìdàijiāotì
alternation of generations
a biological life cycle involving the alternation between a sexual and an asexual phase
許多藻類和蕨類植物的生命週期中都存在著世代交替現象。
created sense approved 世代交替 · shìdàijiāotì · generational succession
世代交替
shìdàijiāotì
generational succession
the replacement of an older generation by a younger one in social roles or leadership positions
這家百年企業正處於世代交替的關鍵時期。