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“胚珠”的英語(yǔ)可以翻譯為：[植] ovule ...

“胚珠”的拼音為：pēi zhū...

初生合點(diǎn)吸器沿著胚珠的維管組織分支.The primary chalazal haustorium ramifies around the vascular tissues of the ovule.大多數(shù)種子的形成是從胚珠受精開(kāi)始的.Seed development in most instances commences following fertilization of the ovule.只有少數(shù)林木可以從未授粉的胚珠發(fā)育成有活...