不知道为什么雅思出题官对water这个话题为什么那么执着，在雅思官方编写的参考书里面，也会单独为water列一个单元。所以，有关什么“江河湖海”等water的描写，不管是好的方面，还是被污染的方面，常年准备好一些素材，总是有备无患的!下面就以一条江为例，从正反两方面描写一下，大家可以积累一些常用的表达，整合在自己的答案中去。
Well, this topic reminds me of the Songhua River in my hometown, which has been seriously contaminated. It’s just heartbreaking.
It used to be a perfect place for swimmers, I mean, the water there is crystal clear, and safer than that in a swimming pool, ‘cause I heard there are people getting allergies or rashes after swimming in certain pools. Maybe that’s because there’s no chemicals.
And the views nearby were enjoyable, I mean, the willow trees looked gorgeous in the breeze, and there were pleasant smell from the fragrant flowers. People could hear the beautiful singing of birds. Everything was just idyllic.
But now, things are completely different. The water has been contaminated since a factory was opened a year ago. The waste water has been pumped from the factory directly into the river, which killed the fishes and other living things in the river. So the ecosystem in that area has been seriously destroyed. No one would go there to take a talk or have a picnic anymore. And maybe because of the ‘Broken windows theory’, people just stopped protecting the environment nearby. We could see garbage scattered on the riverbank, and there are plastic bags floating on the surface of the water. And sometimes there would be terrible smell coming from that area.
如果想说这片区域没有被污染之前还有什么好的方面，可以说：
That area is open to the public for free, and the best part is, during weekends, there are people volunteering to be lifeguards to protect children having fun in the water. It’s not far from the city center, so the public transportation is quite convenient. And driving yourself is also a good option, ‘cause there are plenty of parking spaces nearby.
语言点解析：
contaminate = to make a substance or place dirty or no longer pure by adding a substance that is dangerous or carries disease 例如：
The drinking water has become contaminated with lead.
contaminated blood/ food/ soil
a river contaminated by pollution
heartbreaking = to make people have a strong feeling of sadness. 例如：
a heartbreaking story
It's heartbreaking to see him wasting his life like this.
rash = an area of red spots on a person's skin, caused by an illness or a reaction to something 例如：
I woke up covered in a rash.
I come out in a rash (= a rash appears on my skin) if I eat chocolate.
The sun brought her out in (= caused) an itchy rash.
a heat rash (= caused by heat)
fragrant = having a pleasant smell 例如：
fragrant herbs/ flowers/ oils
The air was fragrant with scents from the sea and the hills.
Swallows swooped through the fragrant evening air.
idyllic = peaceful and beautiful; perfect, without problems 例如：
a house set in idyllic surroundings
to lead an idyllic existence
The cottage sounds idyllic.
lifeguard = a person who is employed at a beach or a swimming pool to rescue people who are in danger in the water
作者简介：
朱博，新东方吉林学校雅思口语美女讲师，毕业于985院校大连理工大学，硕士保送一等奖学金。在校期间曾游学美国，任出版社英语出版中心校对四年，工作严谨，活泼开朗，让大家快乐的学习英语。
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