幼兽玩耍以变得擅长于一些成年后具体需要做的事情，比如追逐、猛扑、攀爬。
Young animals play in order to get really good at certain specific things they will need to do when they are adults, like chasing, pouncing, climbing.
随之而来的是较低的出生率、较低的幼兽存活率，以及较慢的生长速度，使得野兔数量相应减少。
Lower birth rates, low juvenile survivorship, and low growth rates follow, so there is a corresponding decline in hare abundance.
小幼兽喜欢紧挨着它们的妈妈。
我们称狮子和老虎的宝宝为幼兽。
陆地上，鳄鱼会袭击大多数动物的幼兽。
一只幼兽，也就是小袋鼠。
她在肉食动物界养育幼兽的理论成就非凡。
Her theories on parenting and nurturing in carnivores have framed the debate.
幼兽看守的时候会吼叫；
袋鼠宝宝称作“幼兽”，它们刚出生的时候只有拇指大小！
Baby kangaroos are called joeys and are only the size of your thumb when they're born!
幼兽挤在一起取暖。
那只幼兽是只小熊。
一只孟加拉虎妈妈和她的幼兽休息在高大的草地。
A mother Bengal tiger and her cub rest in the tall grass of a meadow.
事实上，最近的一次目击报告就是一只母兽带着幼兽。
In fact, one recent sighting was of a mother cat and her cub together.
在肯尼亚的一个幼兽院中，一只幼狮正在草地上行走。
A lion cub is seen walking in the grass at an animal orphanage in Kenya.
考拉熊的孕期大约是35天，大概35天后，一个小幼兽就诞生了。
Koala bears give birth to one young called a joey after a gestation period of approximately 35 days.
当她的幼兽相互交流时，猎豹妈妈会发出姑噜姑噜声喉音，就像家猫。
When interacting with her cubs, cheetah mothers purr, just like domestic cats.
从前有一只熊和一只狮子分别从不同方向，同时扑向了一只迷途的幼兽。
Just as a great Bear rushed to seize a stray kid, a Lion leaped from another direction upon the same prey.
周六，这头幼兽在金门大桥以西大约27英里的法拉隆群岛附近被释放。
The pup was released Saturday near the Farallon Islands about 27 miles west of the Golden Gate Bridge.
在马赛马拉一只叼着幼兽的狮子，那里是东非唯一一个狮子数目上升的地方。
A lion holding its cub in its mouth in the Masai Mara, which has the only growing population of lions in East Africa.
医师们决定，如果母老虎可以充做另一头母兽所产下的幼兽的代理母亲的话。
The doctors decided that if the tigress could surrogate another mother's cubs.
澳大利亚悉尼塔瑞噶野生动物园中，一只五个月大的红颈小袋鼠幼兽将头探出妈妈的口袋中。
A five-month-old red necked wallaby joey pokes her head out of her mother's pouch at Taronga zoo, Sydney, Australia.
这时，我才突然地意识到现在是小驴仔降生的季节，公驴们只是在保护他们的配偶和幼兽。
Suddenly I realized it was the time of year for foals to drop, and the big males were merely protecting their mates and babies.
“像这样的端坐在巢中，它身上肯定长有能为幼兽保温的羽毛，只有这样才说得通，”苏伊士说。
"Sitting on a nest like that only made sense if it had feathers" to gently insulate its young, says Sues.
头18个月，幼兽要向母亲学习生存的基本技能，而他们要成为一个好猎手则需要一到两年的时间。
Cubs spend about 18 months with their mothers learning how to survive, and it may take them another year or two to become good hunters.
医师们决定，如果母老虎可以充做另一头母兽所产下的幼兽的代理母亲的话，或许就能有所改善。
The doctors decided that if the tigress could surrogate another mother's cubs, perhaps she would improve.
医师们决定，如果母老虎可以充做另一头母兽所产下的幼兽的代理母亲的话，或许就能有所改善。
The doctors decided that if the tigress could surrogate another mother's cubs, perhaps she would improve.
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