file:ZOOLOGY.mp3 file:SERVICE ENCOUNTER.mp3 file:PHYSICS&CHEMISTRY.mp3 file:EARTH SCIENCE.mp3 file:ART PART 2.mp3 file:专业词-讲座部分(Zoology 动物学).pdf file:专业词-讲座部分(Physics & Chemistry 物理与化学).pdf file:专业词-讲座部分(Earth Science 地球科学).pdf file:专业词-对话部分(学习场景+生活场景).pdf file:LIST 9.mp3 file:高频词-List 9.pdf