现在我们知道，水仅是答案的一部分，大部分物质来源于空气——空气中那部分被称之为二氧化碳的气体。
Today we know that water was only a part of the answer. Most of the substance had been derived from the air, that part of the air known as carbon dioxide.
现在我们知道，水仅是答案的一部分，大部分物质来源于空气——空气中那部分被称之为二氧化碳的气体。
Today we know that water was only a part of the answer. Most of the substance had been derived from the air, that part of the air known as carbon dioxide.
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