Environmental pollution is believed to be the cause of health problems, including chronic tracheitis, deaths from premature delivery, asthma and the list continues.
Environmental pollution is believed to be the cause of health problems, including chronic tracheitis, deaths from premature delivery, asthma and the list continues.
环境污染被相信是健康问题的原因，包括慢性支气管炎，早产儿死亡，气喘等，相关项目的清单还在增加着。