The heavy metals pass to the breathing system into the human body in smoking process and raise the diseases,such as lung cancer and the larynx cancer,etc.

 
  • 香煙中重金屬在吸煙過(guò)程中通過(guò)呼吸系統進(jìn)入人體,引起肺癌、喉癌等疾病。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan