| 释义 |
〔nest〕To hunt for birds' nests, especially in order to collect the eggs.猎取鸟窝：寻找鸟窝，尤其是为了收集鸟蛋〔sitting〕An act, a condition, or a period of brooding on eggs by a bird; incubation.孵：鸟类孵化鸟蛋所实施的行为，所出现的状态或所花费的时间；孵化〔egg〕Middle English egge [bird's egg] 中古英语 egge [鸟蛋] 〔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 |