Excess weight is increasingly viewed by scientists as a major contributory factor to cancer after smoking.

越来越多的科学家认为，超重是继吸烟之后引起癌症的又一个主要因素。

youdao

Excess weight is increasingly viewed by scientists as a major contributory factor to cancer after smoking.

越来越多的科学家认为，超重是继吸烟之后引起癌症的又一个主要因素。

youdao