尊敬的领导，敬爱的老师，亲爱的同学们，环境保护是一项长期而又艰巨的任务，让我们珍爱生命，善待自己，保护好我们的环境家园吧！

Distinguished leadership, beloved teacher, dear students, environmental protection is a long-term and arduous task, let us cherish life, to treat ourselves, our environment to protect their homes now!

youdao

同学们，让我们吸取生活中教训，珍爱生命中的每一天。

Thee classmates, let us learn in life, cherish every day of my life.

youdao

来吧，让我们预防艾滋，珍爱生命，相信胜利的曙光来临已不再遥远。

Come on, let's AIDS prevention, cherish life, believe that victory is no longer a distant dawn comes.

youdao