ovule造句
2024年07月04日 13:45:02
The primary chalazal haustorium ramifies around the vascular tissues of the
ovule.
初生合点吸器沿着胚珠的维管组织分支.
Seed development in most instances commences following fertilization of the
ovule.
大多数种子的形成是从胚珠受精开始的.
Frequently the basal
ovule, which is the last one to be fertilized would abort.
最后受精的基生胚珠经常败育.