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空间与人(2)

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描述
“美国之音慢速英语节目”深受广大英语爱好者的欢迎。经“美国之音”同意并提供该栏目“空间与人”...
目录
◆ Chapter II 8. Pluto (1)(免费使用)
◆ Chapter II 8. Pluto (2)
◆ Chapter III 1. Ballooning (1)
◆ Chapter III 1. Ballooning (2)
◆ Chapter III 2. Airships (1)
◆ Chapter III 2. Airships (2)
◆ Chapter III 3. X-15 Plane (1)
◆ Chapter III 3. X-15 Plane (2)
◆ Chapter III 4. Voyager Plane (1)
◆ Chapter III 4. Voyager Plane (2)
◆ Chapter III 5. Project Mercury-Part 1 (1)
◆ Chapter III 5. Project Mercury-Part 1 (2)
◆ Chapter III 6. Project Mercury-Part 2 (1)
◆ Chapter III 6. Project Mercury-Part 2 (2)
◆ Chapter III 7. Project Gemini-Part 1 (1)
◆ Chapter III 7. Project Gemini-Part 1 (2)
◆ Chapter III 8. Project Gemini-Part 2 (1)
◆ Chapter III 8. Project Gemini-Part 2 (2)
◆ Chapter III 9. Project Apollo-Part 1 (1)
◆ Chapter III 9. Project Apollo-Part 1 (2)
◆ Chapter III 10. Project Apollo-Part 2 (1)
◆ Chapter III 10. Project Apollo-Part 2 (2)
◆ Chapter III 11. Project Apollo-Part 3 (1)
◆ Chapter III 11. Project Apollo-Part 3 (2)
◆ Chapter III 12. Project Apollo-Part 4 (1)
◆ Chapter III 12. Project Apollo-Part 4 (2)
◆ Chapter III 13. Project Apollo-Part 5 (1)
◆ Chapter III 13. Project Apollo-Part 5 (2)
◆ Chapter III 14. Skylab (1)
◆ Chapter III 14. Skylab (2)
◆ Chapter IV 1. Part One (1)
◆ Chapter IV 1. Part One (2)
◆ Chapter IV 2. Part Two (1)
◆ Chapter IV 2. Part Two (2)
◆ Chapter IV 3. Part Three (1)
◆ Chapter IV 3. Part Three (2)
◆ Chapter IV 4. Part Four (1)
◆ Chapter IV 4. Part Four (2)
◆ Chapter IV 5. Part Five (1)
◆ Chapter IV 5. Part Five (2)
◆ Chapter IV 6. Part Six (1)
◆ Chapter IV 6. Part Six (2)