### 186_1_实用单词.mp4 **Size** 59098176 B **MD5** 88167c5843e7fb36357a965f012ea495 **SHA1** affeac22207e6b82d476fdda5c183f8f1150b817 ### 187_1_情景交际.mp4 **Size** 45066984 B **MD5** 7860f859d64d458348a1aab14e867e2d **SHA1** a6f7853576b3ef941e6d709f3cad066a9b4705c7