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来源:雅诚德英语网
Since nicotine in cigarettes changes brain chemistry, perhaps thereby affecting mood, it is likely that smoking contributes to depression in teenagers.
由于香烟中的尼古丁会改变大脑的化学性质,从而可能影响情绪,因此吸烟可能会导致青少年抑郁。
Since nicotine in cigarettes changes brain chemistry, perhaps thereby affecting mood, it is likely that smoking contributes to depression in teenagers.
由于香烟中的尼古丁会改变大脑的化学性质,从而可能影响情绪,因此吸烟可能会导致青少年抑郁。