一次,去哈佛大学自然博物馆参观,一名老师正给一群六七岁的小朋友讲候鸟的习性。他尽力调动各种手段,讲得生动活泼。讲完,他让一名叫尼克的孩子舒展双臂做出飞翔的动作,发出大雁的叫声。于是,老师立即提议大家为尼克鼓掌。孩子们稚嫩的欢笑声、掌声在博物馆内回荡。再看尼克,一 Once, visiting the Harvard University Nature Museum, a teacher is telling a group of six-year-old children about the habit of migratory birds. He tried his best to mobilize all kinds of means and lively and lively. After he finished, he asked a child named Nick to stretch his arms and make a fly, sending out the geese. So, the teacher immediately proposed that everyone applaud Nick. Children’s tender laughter and applause echoed in the museum. Look at Nick again.