Lesson 4 [00:03.27]第四课 [00:06.53]1.Just speak [00:07.85]读 [00:09.17]Hi,Gao Wei.Guess what's in my bag? [00:11.18]嗨,高伟,猜我的包里有什么? [00:13.19]Books? [00:14.05]书? [00:14.92]Yes,Look a Chinese book. [00:16.44]是的,一本语文...