Part One:积分榜
Part Two:课程内容
Part Three:音频材料
呵欠音&蝴蝶音http://note.youdao.com/share/index.html?id=a28af985cf806c2d5c226e1bf1d7a267&type=notebook#/WEBc8663aa3fb2c0509e4f833f2bcfa9db6
微笑音&饿了音http://note.youdao.com/share/index.html?id=a28af985cf806c2d5c226e1bf1d7a267&type=notebook#/WEBc8663aa3fb2c0509e4f833f2bcfa9db6
回应音&问候音http://note.youdao.com/share/index.html?id=a28af985cf806c2d5c226e1bf1d7a267&type=notebook#/WEBc8663aa3fb2c0509e4f833f2bcfa9db6