Scientists at the University of Suden California and the University of Eire studied 32formal smokers.

萨顿加州大学和爱尔华大学的科学家曾经对32个吸烟者进行调查。

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Scientists at the University of Suden California and the University of Eire studied 32formal smokers.

萨顿加州大学和爱尔华大学的科学家曾经对32个吸烟者进行调查。

youdao