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来源:雅诚德英语网
Many causes of cancer are environmental, largely from tobacco, excessive sun exposure and workplace hazards such as chemical solvents and fumes.
许多癌症的形成与环境有关,主要来自烟草、过度接触日光和工作场所中的危险物质,如化学溶剂和烟雾。
Many causes of cancer are environmental, largely from tobacco, excessive sun exposure and workplace hazards such as chemical solvents and fumes.
许多癌症的形成与环境有关,主要来自烟草、过度接触日光和工作场所中的危险物质,如化学溶剂和烟雾。