yolk

• 蛋黄是卵细胞中储存营养的部分，呈黄色球形，被蛋白包围，为胚胎发育提供营养，常见于鸟蛋或爬行动物的蛋中。

The yellow, spherical part of an egg that is surrounded by the albumen, serving as the nutritive material stored for the nutrition of an embryo, especially in bird or reptile eggs.

1. Yellow part of an eggA1formalculinary

   The yellow, spherical part of an egg that is surrounded by the albumen (egg white).

   蛋黄

   • She separated the yolk from the white to make the cake.
   • The yolk of a fresh egg is usually bright yellow or orange.
   • He prefers his eggs fried with a runny yolk.

   同义词egg yolkvitellusyellow

2. Nutritive material of an ovumB2formalscientific

   The nutritive material stored within an ovum (egg cell) that provides food for the developing embryo, especially in birds and reptiles.

   卵黄营养物

   • The yolk contains essential fats and proteins for the embryo's growth.
   • In reptiles, the yolk is a major source of nutrients during development.
   • Scientists study the composition of the yolk to understand embryonic nutrition.

   同义词vitellus