植物也会将二氧化碳转化成不同形式的含碳分子，而转化过程所使用的酶与人体内的酶完全相同。

Plants also convert carbon dioxide into different forms of carbon-containing molecules and the conversion process used relies on the very same enzyme that works in humans.

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她们的器官和我们的是如此相似，以至于心脏瓣膜被用于人体主动脉瓣或二尖瓣替换手术。

Their organs are so similar to our own that pig heart valves are used to replace human aortic or mitral valves.

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植物雌激素不是雌激素，尽管二者可能相像，对人体却有完全不同的作用。

Phytoestrogens are not estrogens, and though they might be similar, they have completely different effects on the human body.

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