Lesson 12 [00:03.02]12课 [00:06.03]Revision [00:06.61]复习 [00:07.18]1.Fun story [00:09.21]有趣的故事 [00:11.23]One,two,three,four.. [00:14.82]一,二,三,四.. [00:18.42]five,six... [00:19.74]五,六... [00:21.05]Hello,I'm LiYan. [00:22.24]你...