It is cruel to keep animals in confined spaces.
把动物关在狭小的空间里是残酷的。
We keep animals like pigs, cattle and chickens on the ground floor.
我们在一楼养猪、牛、鸡等动物。
We keep animals in pens to fatten them.
我们把动物关在围栏里把它们养肥。
You may need a fence to keep animals out.
你可能需要篱笆以防动物闯进来。
Before, they used to keep animals in it.
以前，人们在这饲养动物。
It means we try to keep animals from danger.
意味着我们尽力使动物免受危险。
And please don't keep animals caged in small Spaces or tied up.
请不要把动物关在狭小空间内或绑起来。
Can we keep animals as companions and still address their needs?
我们把动物作为人类的伴侣的同时还能满足宠物本身的需要吗？
We should think about — to keep animals and plants from becoming endangered.
我们应该想想我们能做些什么来阻止动植物濒于灭绝。
In a perfect world, we would not keep animals for our benefit, including pets.
在一个完美的世界，我们不会为了自己的利益而拥有动物，包括宠物。
In order to reduce diseases we should keep animals away from body in daily life.
为了减少疾病，在日常生活中我们应该远离动物。
All possible means have been tried to keep animals and plants from becoming endangered.
为了使动植物的生命不受到威胁，所有的方法都试过了。
Hanging the bags in the air will keep animals and insects on the ground from damaging the food.
悬挂在空中可以防止地上的动物和昆虫损坏食物。
Nowadays more and more people keep animals as pets; they treat them as their family members.
现在越来越多的人养宠物，他们把宠物当做家庭的一员。
He told me that this drought has taught him a hard lesson: it is too difficult to keep animals.
他告诉我干旱给了他一个沉痛的教训：饲养动物太困难了。
If you want to help veterinarians keep animals healthy and happy, this could be the major for you.
如果你想协助兽医，让动物健康快乐，你可以选择这个专业。
Experts tell us, that we need to think about what we can do to keep animals and plant from becoming endangered.
专家告诉我们，我们必须考虑我们该做什么去阻止这些动植物继续的受到损害。
If we find out more about what we should do, we can help Steve and others like him keep animals and plants and ourselves from becoming endangered.
如果我们搞清楚更多应该采取的措施，我们就能帮助史蒂夫琼斯和他的同行们保护生物以及我们人类自身不受威胁。
Many people believe that zoos should be closed because it is cruel to keep animals locked up. Moreover, zoo do not have a positive role to play in society.
很多人认为动物园应该被关闭，因为它残忍的锁者动物，而且对社会有没有任何积极意义。
The high-fat diet also affected the animals' performance on a standard test of circadian rhythm, in which researchers keep animals in constant darkness and record their patterns of behavior.
研究者将动物置于不变的黑暗环境中并记录它们的行为方式，通过这种标准的生活节律测试发现高脂饮也会影响动物的性能。
Usually they stayed awake three to four hours past sunset, with no light exposure other than the faint glow of a small fire that would keep animals away and provide a bit of warmth in the winter.
通常，他们在日落后三到四个小时里仍然清醒着，而且除了用以驱赶野生动物并在冬天聊以取暖的微弱火光之外，他们别无其他光源。
Our nails are weaker than the nails that animals have, but they can keep our fingers safe.
我们的指甲比动物的指甲脆弱，但可以保护我们的手指安全。
You are not to begin playing with the animals in the servants' hall and keep them there.
你们不许在仆人厅里和动物玩耍，不许把它们留在那里。
They lit a fire to keep off wild animals.
他们点燃篝火防止野兽靠近。
This is a sore point with some health experts, who say that America needs a better way to keep track of its animals.
这也是一件令许多健康专家伤心的事，他们认为美国需要一种更好的方式去饲养他们的动物。
But only those animals that actively engage in learning get to keep the new cells.
然而，只有那些积极从事学习的动物才能保留住这些新细胞。
Humans are social animals, and we need regular socializing to keep ourselves in peak health and energy.
人类是社会性动物，我们需要有规律的社交活动来让我们保持健康和富有活力。
Humans are social animals, and we need regular socializing to keep ourselves in peak health and energy.
人类是社会性动物，我们需要有规律的社交活动来让我们保持健康和富有活力。
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