The nutritive yolk of a meroblastic egg.
几种有营养的奶状的液体。
The nutritive yolk of a meroblastic egg.
几种有营养的奶状的液体。
Hummingbirds have discovered that nectar and pollen are very nutritious.
蜂
花蜜和花粉是很有营养的。
Nectar and pollen are very nutritious.
花蜜和花粉是很有营养的。
Much of the really nutritive material actually was refined out of food.
大
分真正有营养价值的物质实际上已从食物中提炼出来。
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