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1969年,美国有两位太空人登陆月球,一位是阿姆斯特朗,一位是奥德伦。但现在一般人只知道有阿姆斯特朗,却极少有人知道奥德伦。原因是登陆月球
In 1969, two astronauts landed on the moon in the United States, one of Armstrong and one of Oddren. But now most people only know Armstrong, but few people know Oddren. The reason is landing on the moon