传统观点认为雌性哺乳动物在出生时卵母细胞池中存在一定数目的卵母细胞，出生后不会进行卵母细胞的更新。
In traditional view, in neonatal females of most mammalian, oocyte pool with a finite number of oocytes is set, and the pool will not self-renew afterbirth.
在这种情况中，人类遵循哺乳动物中普遍存在的一种模式：雄性敌视雌性与其前配偶所生的子女。
In this, humans follow a pattern that is widespread in mammals: male hostility to a female's offspring from previous matings.
在哺乳动物中，每一个雌性细胞有两条X染色体，而每一个雄性细胞有一条X染色体。
In mammals, every cell in females has two X-chromosomes, while every cell in males has a single X-chromosome.
这是自然的。所有哺乳动物的雄性都有占用雌性的天性。
It is natural. Alpa males in all mammal species collect females; get use to it.
雌性鸭嘴兽像其他哺乳动物一样。
在很多哺乳动物种族中雌性的倾向于留在它们出生的群体中，而雄性的倾向于离开。
In many mammal species, females tend to stay in the groups where they are born and males leave.
在人类和其他哺乳动物中，雄性在青春期后的死亡率高于雌性。
In humans and other mammals, the mortality rate in males is higher than in females from puberty onwards.
雌性鸭嘴兽像其他哺乳动物一样。
哺乳动物的一种，其雌性动物有一个长头并在其中喂养和携带幼子的袋子。
Mammals of which the females have a pouch the marsupium containing the teats where the young are fed and carried.
像其他哺乳动物一样，雌性的鸭嘴兽用自己的奶喂养它的孩子。
The female platypus, like other mamals, feeds her babies with milk from her body.
像其他哺乳动物一样，雌性的鸭嘴兽用自己的奶喂养它的孩子。
The female platypus, like other mamals, feeds her babies with milk from her body.
应用推荐