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01 1865_ The End of the Civil War--更多亲子资源微信zfb5668.mp3
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02Abraham Lincoln_ From Log Cabin to the White House--更多亲子资源微信zfb5668.mp3
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03Acropolis Adventure--更多亲子资源微信zfb5668.mp3
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04Adaptive Athletes--更多亲子资源微信zfb5668.mp3
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05Albert Einstein--更多亲子资源微信zfb5668.mp3
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06Alien Collective I_ Resistance--更多亲子资源微信zfb5668.mp3
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07Alien Collective II_ The Link--更多亲子资源微信zfb5668.mp3
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08Alien Collective III_ Transition--更多亲子资源微信zfb5668.mp3
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09Amazing Migrations--更多亲子资源微信zfb5668.mp3
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10American Sports Legends--更多亲子资源微信zfb5668.mp3
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11Ancient Mesopotamia--更多亲子资源微信zfb5668.mp3
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12Anne Frank--更多亲子资源微信zfb5668.mp3
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13Apollo 11--更多亲子资源微信zfb5668.mp3
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14Are GMOs Safe_--更多亲子资源微信zfb5668.mp3
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15The Balloon Brothers--更多亲子资源微信zfb5668.mp3
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16Baseball--更多亲子资源微信zfb5668.mp3
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17The Birmingham Children's Crusade--更多亲子资源微信zfb5668.mp3
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18The Black Stones--更多亲子资源微信zfb5668.mp3
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19Blue Whales_ Giant Mammals--更多亲子资源微信zfb5668.mp3
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20Building a Nation--更多亲子资源微信zfb5668.mp3
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21The Celebrated Jumping Frog of Calaveras County--更多亲子资源微信zfb5668.mp3
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22The Cherokees--更多亲子资源微信zfb5668.mp3
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23China--更多亲子资源微信zfb5668.mp3
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24Christopher Columbus--更多亲子资源微信zfb5668.mp3
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25Cricket--更多亲子资源微信zfb5668.mp3
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26Crowdsourcing--更多亲子资源微信zfb5668.mp3
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27Dino Duel--更多亲子资源微信zfb5668.mp3
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28Drones--更多亲子资源微信zfb5668.mp3
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29Ella Fitzgerald--更多亲子资源微信zfb5668.mp3
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30Energy Sources_ The Pros and Cons--更多亲子资源微信zfb5668.mp3
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31France--更多亲子资源微信zfb5668.mp3
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32Genetics at Work--更多亲子资源微信zfb5668.mp3
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33The Gift of the Magi--更多亲子资源微信zfb5668.mp3
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34Goliath Bird-Eating Spiders_ Giant Arachnids--更多亲子资源微信zfb5668.mp3
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35Great City Fires--更多亲子资源微信zfb5668.mp3
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36The Hero Maui--更多亲子资源微信zfb5668.mp3
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37Historic Peacemakers--更多亲子资源微信zfb5668.mp3
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38Hybrid Animals--更多亲子资源微信zfb5668.mp3
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39The Ides of March--更多亲子资源微信zfb5668.mp3
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40InFLUenza--更多亲子资源微信zfb5668.mp3
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41Introverts and Extroverts--更多亲子资源微信zfb5668.mp3
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42Japan--更多亲子资源微信zfb5668.mp3
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43Lacrosse--更多亲子资源微信zfb5668.mp3
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44Leo the Lion--更多亲子资源微信zfb5668.mp3
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45The Lumber-Room--更多亲子资源微信zfb5668.mp3
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46M Is for Mexico--更多亲子资源微信zfb5668.mp3
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47The Message--更多亲子资源微信zfb5668.mp3
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48Microbes_ Friend or Foe_--更多亲子资源微信zfb5668.mp3
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49Morocco--更多亲子资源微信zfb5668.mp3
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50Muhammad Ali--更多亲子资源微信zfb5668.mp3
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51The Mystery of King Tut--更多亲子资源微信zfb5668.mp3
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52Napoleon Bonaparte--更多亲子资源微信zfb5668.mp3
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53Native Americans of the Great Plains--更多亲子资源微信zfb5668.mp3
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54The Necklace--更多亲子资源微信zfb5668.mp3
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55A New Skyline--更多亲子资源微信zfb5668.mp3
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56The Nobel Prize--更多亲子资源微信zfb5668.mp3
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57The Olympics_ Past and Present--更多亲子资源微信zfb5668.mp3
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58A Place for Wild Things--更多亲子资源微信zfb5668.mp3
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59The Plague!--更多亲子资源微信zfb5668.mp3
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60Prairies Alive!--更多亲子资源微信zfb5668.mp3
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61Private Spaceships--更多亲子资源微信zfb5668.mp3
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62Queen Elizabeth I--更多亲子资源微信zfb5668.mp3
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63The Queen's Loss (Part I)--更多亲子资源微信zfb5668.mp3
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64The Queen's Loss (Part II)--更多亲子资源微信zfb5668.mp3
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65Rachel Carson--更多亲子资源微信zfb5668.mp3
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66The Red Baron--更多亲子资源微信zfb5668.mp3
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67Robin Hood and the King--更多亲子资源微信zfb5668.mp3
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68Satellites--更多亲子资源微信zfb5668.mp3
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69A Selection From Robinson Crusoe--更多亲子资源微信zfb5668.mp3
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70Sergeant Stubby--更多亲子资源微信zfb5668.mp3
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71So You Want To Go To Mars_--更多亲子资源微信zfb5668.mp3
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72Success Stories--更多亲子资源微信zfb5668.mp3
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73Symbiotic Wildlife--更多亲子资源微信zfb5668.mp3
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74Telescopes_ Eyes on Space--更多亲子资源微信zfb5668.mp3
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75Tessa's Family Day--更多亲子资源微信zfb5668.mp3
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76United Arab Emirates--更多亲子资源微信zfb5668.mp3
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77Vikings--更多亲子资源微信zfb5668.mp3
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78Violent Weather--更多亲子资源微信zfb5668.mp3
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79Volcanoes--更多亲子资源微信zfb5668.mp3
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80What Is Water Worth_--更多亲子资源微信zfb5668.mp3
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81Word Smith, Private I _Rhyme Crime_--更多亲子资源微信zfb5668.mp3
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82You Can Print What_--更多亲子资源微信zfb5668.mp3
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83The Zoo of Extinct Animals--更多亲子资源微信zfb5668.mp3
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84Zoos Through the Ages--更多亲子资源微信zfb5668.mp3
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