These animals rarely thrive in captivity.
这些动物栏养起来很少会肥壮。
The way these animals are killed is barbaric.
宰杀这些动物的手段很残忍。
Note how these animals sometimes walk with their tails up in the air.
注意观察这些动物有时如何翘起尾巴走路。
These animals consumed large amounts of vegetation.
这些动物吃掉了大量的植被。
These animals ate lots of leaves and lots of grass.
这些动物吃了大量的树叶和草。
These animals could also hurt dogs, cats, and even humans.
这些动物也可能伤害狗、猫，甚至人类。
Born and raised in a zoo, these animals would not be able to survive in the wild.
在动物园出生和长大的这些动物无法在野外生存。
These animals consumed large amounts of vegetation, which reduced plant diversity in the park.
这些动物食用了大量的植被，因此减少了这个公园的植物多样性。
These animals typically live between the surface of the ocean and a depth of about 3,300 feet.
这些动物通常生活在海洋表面和3300英尺左右的深度之间。
We descendants of these animals were left with vestiges of their history, including the hiccup.
我们这些动物的后代同样也遗留下这些痕迹，包括打嗝。
He saw a trainer nearby and asked why these animals just stood there and didn't try to get away.
他看到附近有个驯兽师，就问为什么这些动物只是站在那里，而不试图逃跑。
These animals were not as sensitive to climate changes in the Cretaceous period as they are today.
这些动物在白垩纪对气候变化不像今天这样敏感。
These animals shred the prey that fall into the pitcher, and the smaller organisms feed on the debris.
这些动物撕碎掉到水罐里的猎物，而小一些的生物则以残骸为食。
These animals don't have a sophisticated brain to recognize the slight differences between human facial features.
这些动物没有复杂的大脑来识别人类面部特征之间的细微差别。
"Zootopia" is the first time that they have even seen a sloth, but people now are keen to know more about these animals.
《疯狂动物城》是他们第一次看到树懒这种生物，但是人们现在很想知道更多关于这些动物的信息了。
They did studies with monkeys and dolphins that provide evidence that these animals have the ability to feel uncertainty.
他们对猴子和海豚进行了研究，提供证据证明这些动物具有感受不确定性的能力。
They have camels, sheep and other animals. These animals depend on the desert plants for their food and do not need much water.
他们有骆驼、绵羊和其他动物。这些动物以沙漠植物为食，不需要太多的水。
To prepare for this before winter, these animals eat extra food to become fat which gives them the energy they need while they sleep.
为了在入冬前做好准备，这些动物会吃更多的食物来增肥，从而获取睡眠时所需的热量。
Remember that the ranges of many animal species were different back then, so all these animals actually lived in the region at that time.
记住，当时许多动物物种的活动范围是不同的，所以所有这些动物实际上都生活在那个地区。
One thing he found was that humans didn't necessarily have to kill these animals in great numbers in order to nudge them toward extinction.
据他发现，人类不必大量捕杀这些动物，就可以使它们走向灭绝。
While studying endangered species may provide some insights to scientists, the cost of keeping these animals in existence can not be justified for research purposes alone.
虽然研究濒危物种可能为科学家提供一些领悟，但仅仅为了研究的目的而饲养这些动物的话，其饲养成本是不合理的。
The artists were highly skilled at using, or even enhancing, the natural shape of the cave walls to give depth and perspectives to their drawings, the sense of motion and vitality in these animals.
艺术家们高度熟练地使用，甚至增强了洞穴墙壁的自然形状，使他们的绘画具有深度和透视感，以及这些动物的动感和活力。
These animals know the difference between one, two, and three.
这些动物知道一、二、三的区别。
Let's see how these animals find ways to protect their children.
让我们看看这些动物是如何想办法保护它们的孩子的。
If people then eat these animals, it means that we're eating the plastic as well.
如果人们吃了这些动物，就意味着也把这些塑料吃了进去。
People who hunt, kill, sell or eat these animals have the risk of becoming infected.
猎取、杀害、出售或食用这些动物的人有被感染的危险。
These animals speak and dress like real people, although they often live in animal homes.
这些动物说话和穿着都像真人，尽管它们经常生活在动物的家里。
They were well trained by their masters who had great experience with caring for these animals.
它们被主人训练得很好，主人在照顾这些动物方面很有经验。
These animals were able to break away from the rope whenever they wanted, but it was only because over time, they believed that it was just impossible.
这些动物可以随时挣脱绳子，但这只是因为随着时间的推移，它们认为这是不可能的。
We found the bones of these animals.
我们发掘了这些动物的骨头。
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