1. No one can live without water or air.

1. 沒有人能離開水和空氣生存。

2. We should stop factories from producing harmful gases.

2. 我們應(yīng)該阻止工廠生產(chǎn)有害氣體。

3. Many rivers and lakes are seriously polluted.

3. 很多河流湖泊已經(jīng)受到嚴(yán)重污染。

4. Without the shade from trees, Earth would get too hot to live on.

4. 沒有了樹蔭，地球?qū)?huì)變得太熱而不能生存。

5. We need to protect Earth because it is our home.

5. 我們需要保護(hù)地球因?yàn)樗俏覀兊募摇?/div>

6. Discharge pipes directly take pollutants away from the plant into the river.

6. 排泄管道直接將污染物從工廠排入河流。

7.?Keep clean.

7. 保持清潔。

8. We should plant more and more trees in order to live better and more healthy in the future

8. 為了將來我們的生活過得更好、更加健康，我們應(yīng)該種更多的樹。

9. They throw rubbish into rivers , too.

9. 他們還亂扔垃圾到河流理去。

10. Even worse, they pour dirty water in to rivers.

10. 更糟糕的是他們排放污水到河流里。