I'm going to talk today about research into a particular species of bird—the New Caledonian crow, whose natural habitat is small islands in the Pacific Ocean.
我今天要讲的是对一种特殊鸟类的研究——新喀里多尼亚乌鸦,它的自然栖息地是太平洋上的小岛。
Today we are going to talk about a particular cognitive ability some animals seem to have—the ability to recognize themselves in a mirror.
今天我们要讨论的是一些动物似乎具有的一种特殊认知力——在镜子里认出自己的能力。
Too often, though, too much is inferred about a particular works circulation in the Middle Ages from the number of manuscripts surviving today.
然而,从今天幸存的手稿数量来看,人们通常可以推断出中世纪某个特定的作品发行量。
This is actually something very near and dear to my heart because I literally would not be doing what I do in life today had I not taken a couple of courses here, this one in particular, pass fail.
事实上,我是很关心的,因为今天我就不会站在这里,如果当初我没有这里上课的话,这门课,要么过要么挂科。
In particular, please go to it today, you will find a form there that you need to fill out to register for, or sign up for rather, a recitation.
特别声明,请今天就去看,你会找到需要填写的,一份注册表单,或者是复习课的签到表单。
But we know this, in particular, from a series of studies that would be unethical if they were to be done today.
我们知道这点,是通过一系列的实验,出于人道精神,这些实验现在就不能做了。
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