双语例句
In the cryostat section, the antigens also appeared at the fourth week, they were localized on vitelline membrane and egg shell.
冰冻切片的抗原也在第四周开始出现，定位在卵黄膜及卵壳上。
词典释义：
vitelline membrane
时间: 2025-01-16 10:20:59
英
美
n.卵黄膜