ile:LIST 2.mp3 file:LIST 6 PART 1.mp3 file:高频词-List 3.pdf file:专业词-讲座部分（Art 艺术）.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:BOTANY.mp3 file:METEORLOGY.mp3 file:PHYSICS&CHEMISTRY.mp3 file:EARTH SCIENCE.mp3 file:OFFICE HOUR.mp3