The space station is a useful instrument in exploring outer space.
空间站是探索太空的有用工具。
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。
What could be a bigger goal than making it to the moon, exploring outer space?
还有比登月更大的目标吗？去探索外太空？
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 a real challenge to mankind.
探索外层太空对人类是真正的挑战。
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。
Is Outer Space Worth Exploring?
太空是否值得探索？
Is Outer Space Worth Exploring?
太空是否值得探索？
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