文件内容:
file:081_21_Fractions_分数.mp4
file:012_12_The_Parts_of_a_Plant_植物的组成部分.mp4
file:089_29_Elements_of_Music_音乐的元素.mp4
file:071_11_A_World_of_Plants_植物的世界.mp4
file:085_25_Myths_from_Ancient_Greece古希腊神话.mp4
file:098_08_Asian_Cultures_亚洲文化.mp4
file:003_03_Different_Cultures_and_Holidays.mp4
file:072_12_A_World_of_Animals_动物的世界.mp4
file:027_27_A_World_of_Lines_and_Colors_线条与色.mp4
file:037_07_The_Early_Americans早期的美国人.mp4
file:066_06_Geography_Skills_地理技能.mp4
file:034_04_The_Geography_of_the_United_Sta-.mp4
file:103_13_Heredity_遗传.mp4
file:026_26_Types_of_Writing_写作的类型.mp4
file:079_19_The_Universe_宇宙.mp4
file:019_19_Our_Solar_System_太阳系.mp4
file:053_23_Solid_Figures_and_Plane_Figures.mp4
file:097_07_Mountains,_Rivers,_and_Deserts.mp4
file:047_17_The_Solar_System_太阳系.mp4
file:032_02_Moving_to_a_New_Community_移居新国家.mp4
file:011_11_Seasons_and_Weather_季节与气候.mp4
file:023_23_Addition_and_Subtraction_加法和减法.mp4
file:045_15_The_Food_Chain_食物链.mp4
file:036_06_Native_Americans_and_Their_Cult-.mp4
file:059_29_Many_Kinds_of_Music_音乐的种类.mp4
file:095_05_The_Midwest_Region_of_the_United.mp4
file:029_29_Instruments_and_Their_Families.mp4
file:075_15_Earth’s_Rocks_and_Soil_地球的岩石和土壤.mp4
file:090_30_A_World_of_Music音乐的世界.mp4
file:024_24_Counting_Money_数钱.mp4
folder:少年得到《哈佛学霸4000词攻克计划》，全面提升英语词汇量