“鸟类的迁徙,这是一个关于承诺的故事,归来的承诺。历经重重危机后的数千里旅行,只为了一个目的,生存……候鸟迁徙是一场生命的搏斗。”这是法国纪录片《鸟的迁徙》的开场旁白。几乎所有看过的观众都为之震撼。鸟儿的承诺关乎生命的繁衍。那么人类的承诺呢?为了这个话题,笔者来到位于哈尔滨市的东北林业大学野生动物资源学院,拜访了我国鸟类专家许青副教授。数据库已经收录了3000余段鸟语,最长达十多分钟 “The migration of birds, this is a promise about the promise of a return, a journey back thousands of miles after a period of heavy fury, for one purpose and survival ... Migratory bird migration is a battle of life.” “This is French documentary ”bird migration" opening paraphrase. Almost all the people I’ve seen have been shocked. The promise of a bird is about the multiplication of life. So the human commitment? To this topic, I came to Harbin Institute of wildlife resources Northeast Forestry University, visited our associate professor Xu Qing bird experts. The database has collected more than 3,000 paragraphs of birds, up to more than 10 minutes