The percentage of correct responses for tobacco tar was the highest, followed by nicotine, then carbon monoxide and hydrocyanic acid.

 
  • 煙草中有害成分的知曉率,煙焦油>尼古?。疽谎趸迹練淝杷?。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan