毫无疑问, 睡觉时暴露在光下会增加一个人患癌症的概率。(There is no doubt. . . ) exposure to&nb

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1. 毫无疑问, 睡觉时暴露在光下会增加一个人患癌症的概率。(There is no doubt. . . )
exposure to light while sleeping can increase a person' s chances of getting cancer.