The result indicated that dust acarus, air pollution or passive smoke was the quite dangerous factor in the many factors of the asthma. It was very important to strengthen the study of the infant and child prevention and cure.是什么意思_The result indicated that dust acarus, air pollution or passive smoke was the quite dangerous factor in the many factors of the asthma. It was very important to strengthen the study of the infant and child prevention and cure.在线翻译_英语_读音_用法_例句