字幕列表 影片播放 列印英文字幕 way. Welcome to the voice of America's news words. Ah, a new study says environmental pollution is killing more people than war and violence. Toxic Lancet Medical journal released a study on pollution. It reports that one out of every six early deaths in the world in 2015 about nine million could be linked to disease from toxic air and water. Toxic describes poisonous material that can cause physical damage and death. Usually pollution contains toxic material. Toxic can also describe someone or something as meaning and harmful.