Pollution can be defined as an undesirable change in the physical,chemical,or biological characteristics of the air,water,or land that can harmfully affect the health,survival,or activities of humans or other living organisms. | 污染可以被定义为有害影响健康,生存,活动的人或其它生物体的空气,水,或土地的物理,化学或生物特性的不应该有的变化。 |
Because of the abuses and problems of the past, regulations have been enacted that force American industry to be responsible for hazardous waste disposal. | 由于过去的这些问题,强制美国工业承担有害物质处理的责任的相关法规已经颁布。 |