在城市中处理垃圾是非常重要的。垃圾必须被扔掉或适当地再利用，否则她可能会引起许多问题。它可能会污染空气和水。当人们呼吸了被污染的空气或饮用了被污染的水时，很可能会生病。
我们的城市已经开始面对这一问题。一些垃圾被分类送到某一个地方。废气在排放是必须经过净化。废水在排放到河里之前也要被净化。
应该阻止人们到处乱扔垃圾。我们应该尽我们最大的努力来保护环境。
词汇：垃圾rubbish 再利用reuse 倾倒pour into 环境environment
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Saving Our City
It is very important to deal with the rubbish in cities. Rubbish must be thrown away or reused properly. Or it may cause a lot of problems. It may pollute the air and water. People may get ill when they breathe the polluted air or drink the polluted water.
Our city has started to face the problem. Some rubbish is sorted and sent to a certain place .Waste gas is cleaned before it goes into the air. Waste water is also cleaned before it is poured into rivers.
People should be prevented from throwing rubbish everywhere. We should try our best to take care of our environment and fight against pollution.