Further experiments suggested that the weapon's may create hotspots of intensity in built-up areas and that its effects can be increased by sweaty skin.
2
对人类而言，黑素有利于保护皮肤不受紫外辐射的伤害，但也有可能使产生它的细胞出现黑素瘤。
In humans, melanins help protect the skin against the damaging effects of ultraviolet radiation, but melanoma may arise from cells that produce it.
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