蛋黄鸟类或爬行动物蛋内的黄色的、通常是球形的部分,回周包有蛋白,作为哺育幼鸟(仔)的营养物。
The yellow, usually spherical portion of an egg of a bird or reptile, surrounded by the albumen and serving as nutriment for the developing young.
蛋黄鸟类或爬行动物蛋内的黄色的、通常是球形的部分,回周包有蛋白,作为哺育幼鸟(仔)的营养物。
The yellow, usually spherical portion of an egg of a bird or reptile, surrounded by the albumen and serving as nutriment for the developing young.
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