Are we allowed to new animals for such experiments?
许多人不赞成用动物做实验。
In the last 4000 years, no new animals have been domesticated.
在过去的4000年中，人类没有驯化新的动物。
On January 4, London Zoo keepers count new animals as annual animal headcount begins.
1月4日，英国伦敦动物园一年一度的“人口普查”开始了，工作人员正在清点园内新到的动物。
"If everything falls into place and everything works, there is a way to generate new animals," she says.
“如果所有东西都到位并且每样东西都运作起来，那么就有一种产生新动物的方法，”她说。
This is the creation of new animals, plants and microbial species with an unprecedented significance.
这对创造新的动、植物和微生物品种具有前所未有的重大意义。
New animals are being discovered all the time, if you want to be the next artist, why not have a try?
人们总在不停地发现着新的动物种类，如果你想成为下一个艺术家，那为什么不试一试呢？
Scientists want to create animals to cure old diseasesbut these new animals may also create new diseases.
科学家们希望造出一些动物来治疗顽疾，但人造出来的新物种也会带来新的疾患。
The zoo plans to expand the elephant compound within two years and introduce new animals that will provide companionship to Susi.
动物园计划在两年内扩大养象场地并且引进更多的苏西的同类。
Try to minimize stress for your pet by keeping the environment as stable as possible (for example, do not introduce new animals).
尽可能试著降低环境给宠物的压力(例如，环境的稳定、不要介绍新的宠物)。
Zoos required hundreds of new animals a year -- now their suppliers were out of power, and the future of the game refuges from which the animals were taken was in doubt.
动物园每年需要数百只新动物——现在他们的供货方失势了，日后由谁来提供动物让人怀疑，而这决定着游戏的未来。
Nevertheless, a Rubicon has been crossed. It is now possible to conceive of a world in which new bacteria (and eventually, new animals and plants) are designed on a computer and then grown to order.
但是这一步已然了迈出去，我们可以预见到将来我们会用电脑设计新的细菌(并且最终会出现新的动物和植物)，并让它按计划生长。
In New Zealand the plant has spread rapidly, changing mudflats with marshy fringes to extensive salt meadows and reducing the number and kinds of birds and animals that use the marsh.
在新西兰，这种植物传播地很快，它将沼泽地的边缘变成了广阔的盐土草地，并且使利用那片沼泽（生存）的鸟类和动物的数量和种类下降。
Darwin saw many new plants and animals.
达尔文看到了许多新的植物和动物。
Kramer initiated important new kinds of research regarding how animals orient and navigate.
克雷默开创了一类重要的新研究，是关于动物如何定位和导航的。
A Labour Party Member of the Parliament, Mike Foster, is trying to get Parliament to approve a new law that will make the hunting of wild animals with dogs illegal.
议会工党成员迈克·福斯特正试图让议会通过一项新法律，该法律将使用狗捕猎野生动物定为非法行为。
When prehistoric man arrived in new parts of the world, something strange happened to the large animals: they suddenly became extinct.
当史前人类来到一处新地方时，一些奇怪的事情发生在大型动物身上，那就是它们突然灭绝了。
If the earth gets hotter in the new century, what will happen to animals and the plants which animals depend on for survival?
如果地球在新世纪变得更热，那些动物以及动物赖以生存的植物将会怎么样？
It's what motivates non-human animals, human infants and probably human adults to explore and seek out new things before growing less interested in them after continued exposure.
这是促使非人类动物、人类婴儿，甚至可能是人类成年人探索和寻找新事物的动力，而在持续接触之后，他们对新事物的兴趣会减弱。
This was described by Darwin for indigenous New Zealand species of animals and plants, which died out when competing species from Europe were introduced.
这是达尔文为新西兰本土动植物物种所描述的，它们在来自欧洲竞争物种被引进时灭绝了。
Some try to learn everything about one animal and some learn about a group of animals, some try to understand where new kinds of animals come from and other zoologists are interested in how animals can get sick.
有些动物学家试图完全研究透一种动物，有些试图研究一群动物，而有些试图研究新种类的动物是从哪里来的，还有一些对动物是如何患病的感兴趣。
People dress up like plants and animals to dance in Times Square, New York.
人们在纽约时代广场打扮成植物和动物的样子跳舞。
The trees become home to new wildlife, such as birds, and provide food for more animals.
这些树木成为新的野生动物如鸟类的家园，并且为更多的动物提供食物。
Animals can also reduce stress, helping people to draw their attention to learning new information, such as reading.
动物还可以减轻压力，帮助人们把注意力放在了解新信息上，比如阅读。
The study showed the animals had figured out how to apply what they learned about human faces during training to new faces in the testing stage.
研究表明，这些动物已经知道如何在测试阶段将它们在训练中所学到的人脸知识应用到新面孔上。
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。
He and his colleagues evaluated a new method for rapidly and accurately detecting animals at risk of infection.
他和同事们评估了一种迅速而精确检测面临感染危险的动物的新方法。
Shifts in entire body shapes, leading to the foundation of whole new groups of animals or plants, sometimes take place.
整个身体外形的转变而导致的新的动物或者植物群体的建立，这种现象时有发生。
As scientific interest in animal emotions has grown in recent years, new discoveries have suggested that animals too can feel love.
有关动物情感的科研兴趣近年有所增加，新的发现表明动物也能感受爱情。
The watering points in the new settlements also attract wild animals.
这个新定居点的供水也引来了野生动物。
And new laws to protect threatened animals are not always enforced.
新制定的有关保护濒危动物的法律并不总是得到实行。
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