他开始做一系列的笔记，在笔记中他完善了自己的理论，记录了在一些完全不同的领域中，象动物饲养和藤壶中的研究成果。
He started a series of notebooks in which he began refining his theory, recording the results of his research in fields as disparate as animal husbandry and barnacles.
这些物种打开了一扇揭示鳄鱼世界的窗口，它们与生活在北部大陆上的动物完全不同。
These species open a window on a croc world completely foreign to what was living on northern continents.
也许你常常听到这两个词混用，但实际上他们就像两种完全不同的动物，有着不同的特征和世界观。
Although you may hear these two terms thrown out interchangeably, they are in fact two very different animals complete with different personalities and world views.
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