The sun diffuses light and heat.

太阳发出光和热。

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The sun diffuses light and heat.

太阳散发出光和热。

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A gas in solution diffuses from region of greater to one of less concentration.

溶液中的气体由浓度较高的区域向浓度较低的区域扩散。

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A gas in solution diffuses from region of greater to one of less concentration.

溶液中的气体由浓度较高的区域向浓度较低的区域扩散。

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