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"Dear A Moment of Science, I know the human brain is an incredible thing, the most complex object in the known universe.
親愛的科學一刻，我知道人類大腦是個神奇的存在，是已知宇宙中最復雜的物體。
But, honestly, it’s not much to look at. Just a big, gray, foldy lump. And what’s with all those folds?
不過，老實說人腦的外觀十分普通。只是一個灰色、布滿溝壑的大型團狀物。這些溝壑有什么作用呢？
Why does the brain look a lot like a scrunched up piece of paper?"
為什么大腦看起來像一團被揉亂的紙張？
Well, in fact our brains, and the brains of some other animals, have a lot more in common with a balled up piece of paper than you might think.
其實，人類大腦和一些動物的大腦一樣，除了褶皺得像團紙一樣還有很多相似之處。
First, though, it’s worth mentioning that not all brains look the same.
首先，需要強調的是并非所有大腦都長得一樣。
Some animals, including rats and mice, have smooth brains. No folds or wrinkles. Humans and other animals, such as pigs, have brains with many folds.
例如老鼠等一些動物的大腦很平整，并沒有溝壑和褶皺。人類的大腦與豬等動物的大腦都布滿溝壑。
譯文為可可英語翻譯，未經授權請勿轉載！
