过多地暴露于紫外线是一个危险因素。

Increased exposure to ultraviolet light is a risk factor.

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过多的太阳紫外线照射可能导致皮肤癌。

Too much exposure to the sun's ultraviolet rays can cause skin cancer.

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被紫外线过多照射可以损害皮肤细胞的DNA。

Too much UV can damage the DNA in our skin cells.

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被紫外线过多照射可以损害皮肤细胞的DNA。

Too much UV can damage the DNA in our skin cells.

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