The polluted air and water are harmful to people's health.
被污染的空气和水对健康有害。
The polluted air becomes poisonous and dangerous to health.
被污染的空气有毒而且对身体有害。
The polluted air becomes poisonous and dangerous to health.
被污染的空气具有毒性，并且危害健康。
The polluted air becomes poisonous and dangerous to health.
污浊的空气，成为有毒的和危险的健康。
The fresh air is better for our health than the polluted air.
新鲜空气对我们的健康比污染空气好。
The polluted air damages people's lungs. Some petrol has lead in it.
被污染的大气危害人们的肺部健康。
The polluted air given off by cars will do great harm to our health.
汽车释放的废气对我们的健康不利。
The polluted air in the city seriously endangers the people's health.
城市中污染的空气严重地危及人民的健康。
Because of the polluted air, our children can not go outside to play;
由于空气污染，我们的孩子不能外出游玩，我们吸入的空气会增加得肺癌的风险。
The polluted air in the city badly endangers the health of the people.
城市中被污染的空气严重地危及人民的健康。
The polluted air in the city is badly ~ing the health of the residents.
城里被污染的空气正严重地危及居民的健康。
It replaces the polluted air by successively displacing it by fresh air.
它用新风成功有效地替换了污浊的空气。
One way to get rid of the polluted air is to make a car without pollution.
解决空气污染的方法之一就是制造无污染汽车。
The polluted air in the city is badly endangering the health of the people.
城市中被污染的空气严重地危及人民的健康。
Sometimes the polluted air is so thick that it is like a quilt over a city.
有时被污染的空气是那么厚它就像一床被子城市上空。
In big cities during cold winter months, many old people die from the polluted air.
在大城市里，在寒冷的冬季，许多老年人因呼吸污染的空气而死去。
The serious problem is that the polluted air is hovering over the surface of earth.
严重的问题是被污染了的空气悬浮在地球表面。
When people breathe the polluted air or drink the polluted water, they may get iii.
当人们呼吸这些被污染了的空气、饮用这些污水时，他们或许会染上疾病。
In modern society many people suffer a lot from the polluted air. We should fight a battle against pollution to protect our environment.
在现代社会许多人饱受空气污染之苦。我们应该与污染作斗争，以保护我们的环境。
After only 19 days, the lungs and livers of pregnant rats exposed to the polluted air were heavier and showed increased tissue inflammation.
仅19天之后，暴露在污染空气中的孕鼠的肺和肝脏变得更重，且出现加重的组织炎症状况。
After only 19 days, the lungs and livers of pregnant rats exposed to the polluted air were heavier and showed increased tissue inflammation.
仅19天之后，暴露在污染空气中的孕鼠的肺和肝脏变得更重，且出现加重的组织炎症状况。
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