### 238_1_重点语法（一）_时间标记语.mp4 **Size** 45001936 B **MD5** ae11daa95fd7f8f0033736e6ac73130f **SHA1** 3555f52a38f125784cd47ab7e15a3d51111647a3 ### 238_2_重点语法（二）_时长的表达.mp4 **Size** 21488024 B **MD5** aa8713aba01c9c6b26bb1358f1f37011 **SHA1** c3c6e5c17fc4019990dc162cea9e26bc1e9e6779 ### 239_1_实用单词.mp4 **Size** 22519016 B **MD5** e4855ff0f61f474e0ed6b1b48fe0ab31 **SHA1** ac86fb4096a349927714f2b0678f2978ff4c336d ### 240_1_旅行回忆.mp4 **Size** 97130952 B **MD5** 9ccf585cf6e6180b27ecea746a9968b8 **SHA1** e290b534e18894c7daac877056237ba2bd2ae797