英语 英语 日语 日语 韩语 韩语 法语 法语 德语 德语 西班牙语 西班牙语 意大利语 意大利语 阿拉伯语 阿拉伯语 葡萄牙语 葡萄牙语 越南语 越南语 俄语 俄语 芬兰语 芬兰语 泰语 泰语 泰语 丹麦语 泰语 对外汉语
当前位置:主页 > TAG标签 > 大雁团队意识
  • 07-The Sense of a Goose 大雁的团队意识

    Next autumn, when you see geese heading south for the winter, flying along in 'V' formation, you might consider what science has discovered as to why they fly that way. As each bird flaps its wings,it creates uplift for the bird immediately following...

    共1页/1条
听力搜索