Explain in detail:

1, have a baby, give birth.

People and birds give birth to milk, while animals give birth. -"Shuo Wen".

Wang Meiren of Yanchuan is pregnant but not breastfeeding. -"Historical Records".

Master Fang's milk. -Lu Chunqiu.

Another example: breastfeeding (childbirth; Delivery); Milk room (delivery room); Lactating women (parturient); Milk eggs (laying eggs); Holding the chest (reproduction).

2. Feeding.

Jade, the first big mother and maid, the second milk. -Gui Youguang's Selected Annals of Ji Xiang.

A woman caressed her child's milk. -Lin Sihuan's ventriloquism.

Another example is: suckling dogs (bitches who give birth to children); Breastfeeding (nursing); Breastfeeding (nursing; Parenting); Breastfeeding (nursing); Breastfeeding chicks (feeding chicks); Mammals (beasts that give birth to children); Breastfeeding.

3. hatch.

Spring began, and chickens began to produce milk. -"Shu Wei".

Example:

1, albino animals is common in reptiles, birds and mammals, many of which are found in mammals. Human albinism belongs to albinism, commonly known as "the second child of heaven"

2. According to experts, the stegodon is an ancient mammal genus, belonging to the long nose order, and its fossils are mainly found in Pliocene to Pleistocene strata in Asia and Africa.

3, the difficulty of hunting has increased a lot in an instant. It must be a lactating female, and it must be taken alive.

4. The evolutionary environment of baiji is completely different from other dolphins or cetaceans.

Crab is a quadruped mammal that lives in the ocean. It is closely related to sea lions and belongs to the family Sea Lions.