Scientists have accomplished great advances in exploring outer space.
科学家在探测外层空间方面取得了巨大的进展。
Before exploring outer space, people used to think that the earth was flat and that you could fall off the edge if you ever went that far.
在人类探索太空前，总把地球看作是平的，如果你走远了就会从边缘处落下去。
Exploring the outer space is to uncover the secrets and the origin of the world.
探索外层空间是为了揭开地球和世界起源的秘密。
Also, China has started the ambitious program for exploring the outer space, including completing a space station by2020.
中国还启动了雄心勃勃的太空探索计划，其实包括到2020年建成一个太空站。
Also, China has started the ambitious program for exploring the outer space, including to complete a space station by 2020.
中国还启动了雄心勃勃的太空探索计划，其实包括到2020年建成一个太空站。
Also, China has started the ambitious program for exploring the outer space, including to complete a space station by 2020.
中国还启动了雄心勃勃的太空探索计划，其实包括到2020年建成一个太空站。
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