大部分信息都是通过直接观察动物的行为收集到的。
Most information was collected by direct observation of the animals' behaviour.
他们曾观察过这些动物的习性。
They had observed regularities in the behaviour of the animals.
注意观察这些动物有时如何翘起尾巴走路。
Note how these animals sometimes walk with their tails up in the air.
特别在地震前，动物也会受到影响，蛇被观察到从冬眠中醒来，老鼠从洞穴中逃走，狗会狂吠，猫会莫名其妙地跳来跳去。
Animals are also affected, particularly before earthquakes, snakes have been observed to come out of hibernation, rats to flee from their burrows, dogs howl and cats jump about unaccountably.
为了记录动物的自然生活，我们必须安静地靠近它，仔细地观察它。
To record the animal's natural life, we had to approach it quietly and watched it carefully.
这很奇怪，因为研究人员观察的各种实验室动物往往被给予大量食物，且让它们在闲暇时一点一点蚕食。
This is strange because the sorts of lab animals the researchers looked attend to be given lots of food and left to nibble at leisure.
研究人员观察到，一只鸟把一个啮齿动物钉到了一棵仙人掌上。
观察大猩猩的生物学家戴安·福西（DianFossey）和研究黑猩猩的珍·古道尔（Jane Goodall）经过多年的观察，都无法证明动物会因为情绪激动而流泪。
Years of observations by biologists Dian Fossey, who observed gorillas, and Jane Goodall, who worked with chimpanzees, could not prove that animals cry tears from emotion.
母亲和婴儿之间强烈的情感纽带增强了孩子探索世界的意愿——这一效应在动物领域、人类、猴子甚至蜘蛛身上都有被观察到。
Strong emotional bonds between mothers and infants increase children's willingness to explore the world—an effect that has been observed across the animal kingdom, in people, monkeys and even spiders.
无人机可以秘密观察野生动物的数量，特别是濒临灭绝的动物。
Drones can watch secretly on populations of animals in the wild, especially endangered ones.
我们是否生活在饲养员观察的巨大“动物园”里，却没有与他们交流？
Do we live in a gigantic "zoo" observed by our keepers, but having no communication with them?
我从来没有来过这样的动物园，在这里你可以抚摸长颈鹿、也可以很近距离观察大象和河马。
I have never been in a zoo where you could touch giraffes or get this close to elephants and hippos.
她对视觉世界的敏锐意识，让她对有动物的出色的观察。
Her sharp awareness of the visual world led to noteworthy observations about animals.
我们可以看到动物的大脑，我们可以观察它们的行为，但是它们的内在活动依然是一个谜。
We can look at animal brains, and we can observe their behavior, but their inner lives are mysterious.
玩家只是在热带草原上观察野生动物，然后拍些虚拟照片。
Players simply observe wild animals in the savanna and take virtual photos.
慕尼黑，德国：我的地质学课本写道，一种预测地震的方法是观察动物(比如马)的异常行为。
Munich, Germany: According to my old geology textbook, one method of predicting earthquakes was recognizing nervous behavior in animals such as horses.
多年来，坐落于九州(日本最西南岛屿)小镇水俣的居民总是能观察到动物的古怪行为，特别是家养的猫。
For years, residents of Minamata, a town located on Kyushu (Japan's most southwesterly island), had observed odd behavior among animals, particularly household cats.
有一种方法能弄明白，就是去观察动物王国，那里没有具有性别差异的玩具。
One way to find out is to look to the animal kingdom, where there are no gender-specific playthings.
从古至今，动物救人的传说时有听闻，许多与动物接触过的科学家或研究者在观察动物一段时间后，大多会提出保护动物的呼吁，为什么呢？
Since ancient times, there have been many stories of animals saving human lives.Most scientists or research experts, after observing animals for some time, appeal for their protection.Why?
玩家在游戏中扮演一名摄影记者，探索和观察各种动物的行为。
The player takes on the role of a photojournalist, exploring and watching the way animals behave.
从古至今，动物救人的传说时有听闻，许多与动物接触过的科学家或研究者在观察动物一段时间后，大多会提出保护动物的呼吁，为什么呢？
Since ancient times, there have been many stories of animals saving human lives. Most scientists or research experts, after observing animals for some time, appeal for their protection.
接着，这些科学家搜罗了世界各地的科学文献，联系了世界各地的爬虫学家，来观察动物种群的结局如何。
The scientists then scoured the scientific literature and contacted herpetologists around the world to see how the animal populations had fared.
马克博士也观察了其它有蹄动物，比如鹿。
Dr Bracke also looked at other hoofed animals, such as deer.
克拉里奇之所以使用这种欧洲松露作饵是因为它在本地就能找得到，所以他的小分队的下个任务就是观察动物们对本地松露的反应。
Claridge used the European truffle product because it was easy to get-his team will next see the reaction of native animals to native truffles.
下一步将观察其他动物在类似情况下的行为。
The next step would be to look at thebehavior in other animals in similar situations.
作为一个实验老年病学专家，我通过观察其它动物的方式，从一个更广的生物学角度来看待这合格问题。
As an experimental gerontologist, I approach this issue from a wider biological perspective, by looking at other animals.
以前从没有人就人与动物的互动来观察人类的脑电波。
No one's ever looked at the brain waves before with human-animal interaction.
在人类和其他动物上，多种不同频率的脑波都被观察了。
Several brain waves of different frequencies have been observed in humans and other animals.
然而，直到现在，还没人曾将可视化技术应用到观察哺乳动物细胞的单个基因上。
Until now, however, no one had applied the visualization technique to observing a single gene in mammalian cells.
然而，直到现在，还没人曾将可视化技术应用到观察哺乳动物细胞的单个基因上。
Until now, however, no one had applied the visualization technique to observing a single gene in mammalian cells.
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