2012/6/5 1 欣赏大自然的风景 to appreciate the scenery of nature 2 培养公德心 to cultivate the public mindedness 3 维护健康 to maintain health 4 保护环境 to protect the environment 5 开拓视野 to broaden the horizon 6 开拓心胸 to broaden the mind 7 调剂生活 to make life pleasant 8 松散身心 to relax oneself 9 启迪心灵 to enlighten the mind 10 灌输知识 to impart knowledge into someone