file:课程目录.png file:1-牛津阅读与发现 精讲 Art 1.mp4 file:9 Wild Cat.pdf file:8 In the Sky.pdf file:7 Trees.pdf file:3 Young Animals.pdf file:3.电脑版观看方法.jpg file:1.视频观看说明【先看这里】.txt file:DHF_Player_Mac_5.1.4.zip