But, at the same time, we do know about the atomic theory of matter.

但是，同时我们也知道，物质的原子理论。

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Modern atomic theory has superseded this theory.

现代原子理论已取代了这个理论。

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The atomic theory was not accepted until the last century.

原子学说直到上个世纪才被人们所接受。

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The atomic theory was not accepted until the last century.

原子学说直到上个世纪才被人们所接受。

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