Both sets of test animals were exposed to levels of ultraviolet rays that an average Australian receives.

这两组实验动物都是暴露于高于澳大利亚平均紫外线水平的紫外线下。

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Both sets of test animals were exposed to levels of ultraviolet rays that an average Australian receives.

这两组实验动物都是暴露于高于澳大利亚平均紫外线水平的紫外线下。

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