旅游使更多的游客对野生动物感兴趣。
The tours make more tourists become interested in wild animals.
动物发出的许多信号似乎使信号传递者付出了过于沉重的代价。
Many signals that animals make seem to impose on the signalers costs that are overly damaging.
攻击性是一种天生的生存机制,一种自我保护的本能,使动物能够保护自己不受生存威胁。
Aggression is a kind of innate survival mechanism, an instinct for self preservation, that allows animals to defend themselves from threats to their existence.
If you change the animal's environment and you give it access to these sort of foods, and these are the pictures that I showed in the first class, and you remember I asked you what constituents of this diet promoted obesity and you said it was fat, sugar, and variety that was correct.
如果你改变动物所在环境,再给它们这些食物,这些图片我们在第一课见到过,我问过这些食物中哪些成分使人发胖,你们说脂肪,糖和其他成分,没错
And it does have that effect of making you feel like you want this to be in the world.
这个博物馆确实使你产生想让这些野生动物们存在下去的想法。
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