第四课 Lesson 4(错不了 )(P-6) By 张老师 Zhāng Lǎo Shī (Teacher Chong) Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element. Your browser does not support the audio element.