viable seed造句怎么写
- 造句
- 关注:7.78K次
2、Since that time an effort has been made to catalog the characteristics of each introduction and maintain viable seed.
1、Only a few forest tree species can develop viable seed from unpollinated ovules .
3、Only a few trees can develop viable seeds from never pollinated ovules.
- 文章版权属于文章作者所有,转载请注明 https://zhongwengu.com/sentence/m938q1.html