卵黄体含蛋白质和糖元，皮层颗粒富含多糖类；

The yolk body contained proteins and glycogen, and the cortical granule was rich in polysaccharide.

youdao

卵黄体含蛋白质和糖元，皮层颗粒富含多糖类；

The yolk body contained proteins and glycogen, and the cortical granule was rich in polysaccharide.

youdao