| 释义 |
世代交替shìdài jiāotì某些植物和无脊椎动物有性生殖和无性生殖交替进行的现象。动物中如水螅,植物中如羊齿都有这种现象。{alternation of generations; alternation of sexual reproduction and asexual reproduction of certain plants and invertebrates, which exists in some animals such as the hydra and some plants such as the fern} |