| 单词 | 动物卵 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Graafian follicle〕Any of the fluid-filled vesicles in the mammalian ovary containing a maturing ovum.囊状卵泡：有一个成熟卵细胞的哺乳动物卵巢里的流动的囊泡美国传统〔berry〕The small, dark egg of certain crustaceans or fishes.动物卵，鱼卵：某种甲壳纲动物或鱼的小且暗色的卵美国传统〔blastoderm〕The layer of cells that develops on the surface of the yolk in an avian or reptilian egg and gives rise to the germinal disk from which the embryo develops.胚盘：鸟蛋或爬行动物卵的蛋黄表面的细胞层，胚盘由此形成，胚胎从胚盘发育美国传统〔calcific〕Producing salts of lime, as in the formation of eggshells in birds and reptiles.产生石灰盐基的：产生石灰盐的，如鸟壳和爬行动物卵壳的形成美国传统〔micropyle〕Zoology A pore in the membrane covering the ovum of some animals through which a spermatozoon can enter.【动物学】 卵膜孔：一些动物卵细胞覆盖膜上的小孔，精子可由此进入美国传统 |
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