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(Kangkang, Maria and Jane are talking in a room. The wind outside is blowing strongly.)
（康康、马丽亚和简在房间里面聊天。外面刮着很大的风。）
Kangkang:What bad weather! The wind is so strong! And the sand really hurt my face. While I was walking down the street just now, I couldn't see anything.
康康：天气真差啊！风太大了！而且沙子打的我脸很疼。我刚刚走在街上的时候，什么都看不见。
Maria:I'm sorry to hear that. What causes these sandstorms?
马丽亚：真是太糟糕了。造成沙尘暴的原因是什么呢？
Jane:People have cut down too many trees. As a result, a lot of rich land has changed into desert.
简：人们砍了太多树木。结果，很多肥沃的土地都变成沙漠了。
Maria:That's bad. How can that affect the weather?
马丽亚：真糟糕。那对天气有什么影响？
Jane:Trees can stop the wind from blowing the earth away.
简：树木可以防止土壤被风刮走。
Kangkang:And a lot of water can be saved by forests.
康康：森林可以储存很多水分。
Jane:They can also prevent the water from washing the earth away.
简：还可以防止土壤被水冲走。
Kangkang:Cutting down trees is harmful to human beings, animals and plants. Although we have built "the Great Green Wall", we still need to work hard to protect the environment.
康康：砍伐树木对人类、动物和植物都有害。尽管我们建起了“绿色长城”，我们依然需要更加努力去保护环境。
