1、we can't live without water.

1、沒有水我們就不能生存。

2、Governments of many countries have established laws to protect the air, forests and sea resources and to stop environmental pollution.

2、許多國家制定了法律來保護大氣、森林和海洋資源，制止環(huán)境污染。

3、No Cycling in the School.

3、校內禁止騎車。

4、Be careful.

4、請小心。

5、Save on electricity.

5、節(jié)約用電。

6、Environmental problems directly affect the quality of people's lives.

6、環(huán)境問題直接影響人們的生活質量。

7、Keep Silence.

7、保持安靜。

8、Let's do our best to make it more beautiful.

8、讓我們盡力讓它更美麗。

9、It's everyone's duty to love and protect the environment.

9、愛護和保護環(huán)境是每個人的責任和義務。

10、They throw rubbish into rivers, too.

10、他們還亂扔垃圾到河流理去。