如今,鸟类研究暗示着这种常理也许是错的。
Research carried out on birds now suggests that the accepted wisdom could be wrong.
对鸟类的研究可能会对睡眠提供独特的见解。
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。
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.
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