这是第三个宇航员。
三位中国民族英雄宇航员在成功完成太空行走之后凯旋。中国成为第三个掌握太空行走技术的国家。
Three Chinese astronauts have returned to Earth as national heroes after successfully completing the country's first ever spacewalk.
描述：质疑者：在宇航员踏上月球以及发射升空的时候，一定还有第三个人带着照相机拍摄这些场面。
Caption: Sceptic: a third person would have had to be there with a camera to take photographs of astronauts arriving on the moon and blasting off again.
2003年，中国成为继美国和俄罗斯之后世界第三个独力将宇航员送如太空的国家。
In 2003 China became only the third country, after the U. S. and Russia, to put a person into orbit on its own.
登月飞船上的舱内爆炸发生在美国航空航天局第三个月球任务开始后的两天，将三名宇航员置于了危难中。
An explosion on board the spacecraft two days into Nasa's third mission to the Moon left the three astronauts in grave danger.
登月飞船上的舱内爆炸发生在美国航空航天局第三个月球任务开始后的两天，将三名宇航员置于了危难中。
An explosion on board the spacecraft two days into Nasa's third mission to the Moon left the three astronauts in grave danger.
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