But the lower animals are born with the power of doing everything necessary to make themselves safe and comfortable.

但是低级动物天生就有一种能力——它们会尽一切可能保证自身安全和舒适。

She's been studying the neurobiology of addiction in lower animals.She's this close to getting a starfish hooked on cocaine.

她在研究神经生物学中有关低等生物的上瘾问题 她就差这么一点点 就能让海星迷上可卡因了。

Lower animals, whose behavior is essentially built-in and who do not have much ability to learn, are not involved with fun.

对于低级动物来说，它们的行为基本上是固有的，没有太多的学习能力，也就与快乐没什么关联。

She's been studying the neurobiology of addiction in lower animals.

她在研究低等生物上瘾方面的 神经生物学。

Such changes, however, reach their acme in the so-called alternate generations of some of the lower animals.

然而，这种变化在某些低等动物的所谓交替世代中达到了顶点。

I have been studying the traits and dispositions of the " lower animals, " and contrasting them with the traits and dispositions of man.

我一直在研究“低级动物”的特点和性情，并将其与人的特点和性情相比较。

The Butler Act made it illegal for teachers in public schools to teach that human beings had evolved from lower or less developed animals, such as " primates, " or monkey-like creatures.

《巴特勒法案》规定公立学校的教师教导人类是从低等或欠发达的动物进化而来的，例如“灵长类动物”或类似猴子的生物，这是非法的。

For if the changes of the lower animals are so wonderful, and so difficult to discover, why should not there be changes in the higher animals far more wonderful, and far more difficult to discover?

因为如果低等动物的变化如此奇妙，如此难以发现，为什么高等动物的变化就不会更奇妙，更难发现呢？

" Now no one is going to make you talk —possibly no one can. But bear in mind, language is man's way of communicating with his fellow man and it is language alone which separates him from the lower animals."

“现在没有人要强迫你说话——恐怕也没人能做到这一点。但是你记住，语言是人类进行沟通的方式，是语言将人类同低等动物区分开来。”

How the sense of beauty in its simplest form—that is, the reception of a peculiar kind of pleasure from certain colours, forms and sounds—was first developed in the mind of man and of the lower animals, is a very obscure subject.

最简单形式的美感— — 即从某些颜色、 形状和声音中获得一种特殊的愉悦—— 是如何首先在人类和低等动物的头脑中发展起来的， 这是一个非常模糊的话题。