The Omnivore’s Dilemma: A Natural History of Four Meals

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The Omnivore’s Dilemma: A Natural History of Four Meals

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杂食者的两难

所有地球上的植物,都是在做两件事情来养活自己,叫做固碳和固氮。也就是把空气中二氧化碳里的碳元素捕捉下来,长成自己的身体,然后把氧元素以气体的形式排放出去。需要氮元素行程蛋白质。氧元素比较好吸收。

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