确保他的安全不被动物们伤害，让他接近动物们去闻嗅。
Make sure he is safe from the animals and let him get close enough to sniff.
当猎手们接近动物时，他们都试图靠得近一点而又不吓跑动物。
When hunters stalk animals, they are trying to get as near as possible without frightening the animals away.
其蛋白质中含有人体必需的八种氨基酸，接近动物蛋白的营养。
The body essential ammonia acid have 8 kinds and be close to animal nutrition protein.
宁愿去接近动物！你难道不想像我似的——做熊中之熊、鸟中之鸟？
Go rather even to the anim - als! Do you not want to be like me - a bear among bears, a bird among birds?
宁愿去接近动物！你难道不想像我似的——做熊中之熊、鸟中之鸟？
Go rather even to the animals! Do you not want to be like me - a bear among bears, a bird among birds?
首先，动物园提供了教育的机会，让我们有机会接近动物，探索其世界并且更了解牠们。
First, zoos offer an opportunity to educate. They give us a chance to get close to animals, explore their world, and learn more about them.
回顾这一天，你会发现骑马观赏野生动物将是你最接近于回应野性呼唤的一次体验，这是难以否认的。
Looking back on your day, you will find it hard to deny that a horseback Safari is as close as you will ever come to answering the call of the wild.
最终，科学家们通过一些非常令人振奋的发现，复原了最接近其原貌的鲸类动物的样子。
Very exciting discoveries have finally allowed scientists to reconstruct the most likely origins of cetaceans.
从那种意义上来说，比起其他爬行动物的大脑它们更接近哺乳动物的大脑。
In that sense, they are closer to mammals' brains than other reptiles' brains.
嗅觉能发出信号，告诉有危险动物接近，或者告诉人类找到食物源。
Smell could signal the approach of a dangerous animal, or lead to a food source.
威斯苏森教授质问道，“在我们克隆动物的研究还没有接近成功时，为什么还想到要克隆人呢？ ”？
"Why would you ever want to clone humans," Westhusin asks, "when were not even close to getting it worked out in animals yet?"
他们发现，老鼠以27赫兹抖动，猫大约是6赫兹，而熊以4赫兹抖动。 他们断定，“抖动频率随动物尺寸变大逐渐接近4赫兹。”
They found that a mouse shakes at 27 Hz, a cat at about 6 Hz while a bear shakes at 4Hz. "Shake frequencies asymptotically approach 4Hz as animals grow in size," they conclude.
因为啮齿类动物惧怕人类，所以它们常常在人类接近时发出叫声警报。
Since the rodents are afraid of humans, they often emit vocal alarm calls whenever a person approaches.
大多数鸟类都有保护他们幼仔接近食肉动物的天性，但是他们最终会因为来袭者的强大或者危险去阻止而放弃。
Many birds have an instinct to protect their young when approached by a predator, but they will eventually give up if the predator is too strong or dangerous to deter.
之后，他要抚养卵化的小鸟，积极地保护它们，并攻击任何过于接近的动物——甚至包括雌性美洲鸵。
He then rears the hatchlings, defending them aggressively and charging any animal-even a female rhea-that approaches too closely.
研究表明，给一只在做实验手术的动物服用止痛片，使其体验更接近人类，这样能够改善结果。
Research has shown that giving pain-relieving drugs to animals that are undergoing experimental surgery may enhance the results, by making the animal's experience more like a person's.
它们也是灵长类动物中与人类最为接近的亲戚。
它们会攻击任何试图接近的昆虫或者是动物。
作为一项规则，摄制小组尽量避免过于接近所拍摄的动物。
The team try not to get too close to the animals they are filming as a rule.
研究人员认为，和来自美国其余48个州的发现比起来，这个地点的石头工艺品，房屋结构和动物残骸和西伯利亚的Ushki湖的发现更接近。
Researchers believe the stone artefacts, house structure and animal remains more closely resemble items found at Siberia's Ushki Lake than anything from America's lower 48 states.
他们发现，扁盘动物是离一切动物始祖位置最接近的活着的生物。
They have found that the placozoans are the closest living thing to the ancestor of all animals.
不同于多数只能观赏动物的狩猎旅游者，“地球观察团”在游客为了研究而抓住野生斑马并给它们上卷标时，给予他们一个接近这些动物的亲密机会。
Unlike most safari-goers who only get to look at the animals, Earthwatch gives travelers the chance to get up close and personal as they catch and tag wild zebras for research.
就在同时，其他科学家们开始通过检验现代爬行动物的鳞片来试图阐明羽毛的起源，因为爬行动物与鸟类之间的亲缘关系最为接近。
In the meantime, other scientists sought to illuminate the origin of feathers by examining the scales of modern reptiles, the closest living relatives of birds. Both scales and feathers are flat.
圣方济——通常认为这位圣人的灵魂最接近基督——曾把动物和植物比作自己的兄弟和姐妹。
St Francis, often considered as the saint who was closest in spirit to Christ, spoke of the other animals and plants as his brothers and sisters.
这次试验中使用的动物是老鼠，这种动物和以前用于试验的线虫和果蝇比起来已经很接近人类了。
But that is much closer to humans than the nematode worms and fruit flies which were the subjects of previous successful experiments on drug-induced life extension.
这家动物园位于德国北部城市不来梅港，动物园主管海克·许克说，问题是雌性洪堡企鹅向来很害羞，不会主动接近雄性。
The problem was that the female Humboldt penguins have proven too shy in their advances, the director of the zoo in the northern port city of Bremerhaven said.
这些部分的特征让古生物学家得以作出这样的结论：这种动物在哺乳动物谱系中，与有胎盘类的关系较与有袋类(如袋鼠)的关系更接近。
These features led the paleontologists to conclude that the animal was closer to living placentals on the mammalian family tree than to pouched marsupials, such as kangaroos.
就在同时，其他科学家们开始通过检验现代爬行动物的鳞片来试图阐明羽毛的起源，因为爬行动物与鸟类之间的亲缘关系最为接近。
In the meantime, other scientists sought to illuminate the origin of feathers by examining the scales of modern reptiles, the closest living relatives of birds.
熊整个身体器官、神经系统是高等哺乳动物，和我们人的生理非常接近。
They are higher mammals featured with advance body, organs and nervous systems, very physiologically close to human beings.
一个模式，‘把人类祖先设想为拳步而行的陆栖动物，其动作非常接近我们的近亲非洲大猩猩，’该报告说。
One model 'envisions the pre-human ancestor as a terrestrial knuckle-walker, a behavior frequently used by our closest living relatives, the African apes,' the report said.
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