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This is the earth. The green part is land. The blue part is sea. The white part is clouds. Our earth is very beautiful and interesting. There are rivers, streams, seas and lakes. There are hills and mountains. There are woods, jungles and forests. There are many countries and cities. There are many people live in them. Do you think the earth is very wonderful?

這個是地球。綠色部分是陸地，藍色部分是海洋，白色部分是云朵。我們的地球非常漂亮和有趣。這里有河流，小溪，大海和湖泊;有丘陵，有山脈;有樹林，叢林和森林;有很多農(nóng)村和城市，很多人住在這里。你覺得地球是不是奇妙極了?

Many years ago, the earth is very clean. But nowadays there is much pollution on the earth. There is air pollution, land pollution and water pollution.People are cutting down the forests.

很多年前，地球是非常干凈的。但是現(xiàn)在，地球上污染非常嚴重。有空氣污染，陸地污染和水污染。人們還在不斷地伐樹。

Many wild animals, birds and insects lose their homes. People are killing animals for their food . It's very cruel. People are polluting the land, the water and the air. People must stop doing this. We must save the earth.

很多野生動物，鳥類和昆蟲都失去了它們的家園。人類殺死動物烹食。真是殘忍。人類污染了陸地，水和空氣。他們應(yīng)該停止這樣做，我們必須拯救地球。