This fear mechanism is critical to the survival of all animals, but no one can say for sure whether beasts other than humans know they're afraid.
这种恐惧机制对所有动物的生存都至关重要，但没有人能肯定人类以外的动物是否知道自己在恐惧。
Indeed, the outgoing affability of most dogs towards humans and other dogs is in sharp contrast to the mix of fear and aggression with which wolves react to animals from other packs.
事实上，狗在对待人类和其他同类的狗时表现出的温善和蔼与狼对待其他群属里的动物时表现出的谨慎敌视形成了鲜明的对比。
Increased stresses included a fear of the wild: unproductive wild lands; wild animals; and vermin.
我们越来越大的压力来自于对未开发世界的恐惧：包括未开发的土地；野生动物，和寄生虫。
I try to amuse them with my lack of everyday bush skills and fear of wild animals.
我和他们开玩笑，说起我怎样缺乏日常的户外能力，怎样害怕野生动物。
It is important to realize, though, that animals are sometimes killed out of fear. Big cats are killed in this way.
但有时人捕杀动物是由于害怕动物，认识这一点非常重要，大型的猫科动物就是这样被捕杀的。
After a moment, however, Snowball and Napoleon butted the door open with their shoulders and the animals entered in single file, walking with the utmost care for fear of disturbing anything.
但过了一会，斯诺鲍和拿破仑用肩撞开门，动物们排成一列走了进来，他们小心翼翼地走着，生怕打扰了任何东西。
By contrast, L-methionine increased the level of methylation and thus reduced the expression of the gene in animals with loving mothers, and led to fear, anxiety and a heightened response to stress.
与之相反，L -甲硫氨酸增加了甲基化水平，从而减弱了正常老鼠中糖皮质激素受体基因的表达，导致了恐惧、焦虑和对压力的强烈反应。
However, many studies suggest that animals are capable of complex emotions such as fear, anger, and even joy and sadness.
尽管如此，许多研究表明动物有复杂的情感，包括害怕，愤怒和快乐及悲伤。
At this season, mood-gloom, fear mixed with joy and expectation - of the graduates, is just like the rain of this season which does not please human but please plants and animals.
在这个季节，毕业生们那忧郁，害怕而又掺杂着喜悦与希望的心情，就像这个季节的雨，恼人却喜物。
Images that induce trypophobia, the fear of holes, share visual features with images of certain venomous animals, implying that the aversion has an evolutionary basis.
引发密集恐惧症的图片与有毒动物的图片具有相似的视觉特征，说明这种恐惧可能是基于进化而形成的。
A lot of birds and wild animals don't fear for humans. Drivers make way for them.
很多鸟和动物都不怕人，司机还给他们让路。
One of the Keepers said animal prints could cause the animals to try to communicate with those wearing them, or to run away in fear.
一位看守人员表示，动物图案可能使动物们想要与穿着这些服饰的人们进行交流，或者令它们害怕地跑开。
The fate of animals is of greater importance to me than the fear of appearing ridiculous; it is indissolubly connected with the fate of men. (Emile Zola).
尽管看上去很荒谬，但是动物的命运对我来说更重要；它与人类的命运紧紧相连。(左拉)。
I have never gotten over my fear of snakes but I do have a new found respect for people who choose to take care of exotic animals.
我对蛇的恐惧从来没有消减过，反而更加敬佩那些敢于照顾这些奇怪宠物的人们。
The essential difference of man from animals lies that man possesses the sense of "I". The sense of death is created by that of "I" and then leads to the fear for death.
人与动物的本质区别在于人有“自我”意识，从自我意识产生死亡意识，由死亡意识导致死亡恐惧。
Wild animals lose their fear of humans and are easily provoked to Bite, as are pets.
野生动物会不怕人类，稍受刺激就咬人，家养宠物也一样。
What we need is found suitable for their own roads, out of an easy life, beyond fear, which relies on local animals and look for a new "cheese."
我们需要的是发现适合自己的道路，摆脱安逸，超越恐惧，恃机而动，寻找新的“奶酪”。
What we need is found suitable for their own roads, out of an easy life, beyond fear, which relies on local animals and look for a new "cheese."
我们需要的是发现适合自己的道路，摆脱安逸，超越恐惧，恃机而动，寻找新的“奶酪”。
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