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美国联邦航天局也拥有对太空旅行的监管权而且不涉及到美国航空航天局。
The FAA has oversight of space travel that does not involve NASA.
youdao
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乘太空飞船从地球到月球上旅行大约要三天时间。
It takes about three days to travel from Earth to the moon by spaceship.
youdao
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乘太空飞船从地球到月球上旅行大约要三天时间。
It takes about three days to travel from Earth to the moon by spaceship.
youdao