Sources of Pollution
Waste water and carbon gases from farm animals are bad for the environment.
Animal wastes and other chemicals flow into the ground and pollute water supplies.
ps:动物粪便和其他化学物质流入地下，污染水源。
other另外; 其他; 那个，另一个; 其余的，另外的
chemicals化学制品; 化学品; chemical的复数
ground地; 地面; 土; 土地; 土壤; 开阔地; 空旷地; 搁浅，触海底; 使停飞; 阻止…起飞; 罚不准出门; 磨细的; 磨碎的; grind的过去分词和过去式
pollute污染; 弄脏
water supplies给水; 供水; 给水系统; 供水系统; water supply的复数
Exhausts gases form automobiles are a major cause of air pollution and global warming.
ps:汽车尾气是造成空气污染和全球变暖的主要原因。
Exhausts使筋疲力尽; 使疲惫不堪; 用完; 花光; 耗尽; 详尽讨论; exhaust的第三人称单数
form类型; 种类; 形式; 外表; 样子; 表格; 出现，产生; 形成; 成形，组成; 制作
automobiles汽车; automobile的复数
air pollution大气污染；空气污染
global warming全球变暖; 地球大气层变暖
As a result, many companies are trying to produce more efficient and cleaner cars.
Pesticides and fertilizers are used by farmers to grow corps, such as fruits and vegetables.
ps:农民使用杀虫剂和化肥来种植水果和蔬菜等作物。
fertilizers肥料; fertilizer的复数
farmers农场主; 农人; farmer的复数
grow扩大; 增加; 增强; 长大; 长高; 发育; 成长; 生长
corps军，兵团; 特种部队; 一群人，一组人
such as例如; 像; 象…这样; 诸如…之类
fruits水果; 果实; 产物; 农产品; 结果; fruit的第三人称单数和复数
vegetables蔬菜; 植物人; 生活单调乏味的人; vegetable的复数
This chemicals pollute the water supplies when they flow into ground or rivers.
Factories like this one allow harmful chemicals to get into air or water.
Companies need to try harder to protect the environment and our health.
Nuclear waste products are radioactive and can pollute the environment for thousands of year.
ps:核废料具有放射性，可以污染环境数千年。
products产品; 制品; 产物，生成物; 产儿; 产物; 结果; product的复数
radioactive放射性的; 有辐射的
thousands of几千; 成千上万
year年; 日历年; 一年时间; 与某事相关的一年; 年度
They need to be safely transported and stored in a safe place.
ps:它们需要安全运输并存放在安全的地方。
need需要; 必需; 有必要; 必须; 特别需要; 迫切要求; 需要的事物; 欲望
safely未受损伤; 未丢失; 安全地; 无危害地; 不大可能出错地; 有把握地
transported运输，运送，输送; 运输，传播; 使产生身临其境的感觉; transport的过去分词和过去式
stored贮存; 贮藏; 保存; 存储; 记忆; store的过去分词和过去式
safe处境安全; 不损害健康的; 安全的; 未受伤害; 保险箱; 保险柜
place位置; 地点; 场所; 地方; 城镇; 有某用途的建筑; 放置，安放; 使处于某位置; 安置; 安顿; 以某种态度对待
Exercises:
1.what do farm animals produce that's bad for environment?
Waste water and carbon gases
2.what do farmers use that pollute water supplies?
Pesticides and fertilizers
3.what can pollute the environment for thousands of years?
Nuclear waste products are radioactive and can pollute the environment for thousands of year.
4.Factories like this one allow harmful chemicals to get into air or water.
5. They need to be safely transported and stored in a safe place.
6.This chemicals pollute the water supplies when they flow into ground or rivers.
