### 1第二课语法.avi **Size** 23961758 B **MD5** a4666d69200173ec9fc88440f80ef5af **SHA1** 397a339012e86b64725c68343c902de5026cc7df ### 2第二课课文.avi **Size** 20231406 B **MD5** fa2adad5fa2d69d3773099ea02f0593f **SHA1** 2b10fa8c8450a888315cfc2f1bf42ab65ecf6a5c