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The space station is a useful instrument in exploring outer space.
空间站是探索太空的有用工具。
youdao
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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？
youdao
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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？
youdao