### 第31课.mp3 **Size** 5328424 B **MD5** cc2f4e1c72a8c3593cf6302e556b82af **SHA1** 50c250ee0fdbe6a880f78d39fe6f82864285e7d8 ### 第32课.mp3 **Size** 4335547 B **MD5** 6520105038f4e0b0a370dbc6e7b6e1cc **SHA1** eb7f6b9e10375e73c234939fa38cec38c2c80245 ### 第33课.mp3 **Size** 4740454 B **MD5** b5ccc6239d1a96ce415363944da39759 **SHA1** b7635dfb1885b8a5ed7b973a1d0c013984669ab2 ### 第34课.mp3 **Size** 5493139 B **MD5** fd5808500306a0fdb10d069add781f13 **SHA1** 8662f299b64020d6265730f2f988ae2df820d790 ### 第35课.mp3 **Size** 5818399 B **MD5** 14aaeb81ffcd213ec38ad99182e8f2ec **SHA1** bf8c3581b49a1a6a317dbe71879550ca56ffbce3 ### 第36课.mp3 **Size** 5928487 B **MD5** c297415a007698252441fb770adb4523 **SHA1** bce8d91cdd1db24e5da6eddbdee349a070dcf54f ### 第37课.mp3 **Size** 5470621 B **MD5** b40bec72450cfc2b26fad597e2b115bd **SHA1** 24b6bac35ac7a4f5b24561198684bb23fcbaa3a5 ### 第38课.mp3 **Size** 5149948 B **MD5** b44b4608db172d6a8cae54aa8c5ec10f **SHA1** 3fc656338e21edb925cc6df6addad0941d3c0732 ### 第39课.mp3 **Size** 5280886 B **MD5** ee7c53e78db793caf6494f8e110cc104 **SHA1** acd75b3df1c56acbd832617e72bd138d4540499e ### 第40课.mp3 **Size** 6034405 B **MD5** 9e30f11d7902723e3f3191056f93ca3d **SHA1** fb848d86389e6c30803b3488c825ba81420d7e35 ### 第41课.mp3 **Size** 5982280 B **MD5** 4d1ad00af4e6fd78d93936a4651c1110 **SHA1** 368c3836cef991728c461183b446160f35c1674c ### 第42课.mp3 **Size** 4480663 B **MD5** a1e4c5b4fe1df8581a75d210ae38e4ad **SHA1** a52c7a3d0007a99230c89f98d0cb1da80745faa7