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Poeple felt it impossible for man to fly into the outer space some years ago.
几年前，人们觉得人不可能飞入太空。
youdao
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People felt it impossible for man to fly into the outer space some years ago.
几年前，人们觉得人不可能飞入太空。
youdao
-
People felt it impossible for man to fly into the outer space some years ago.
几年前，人们觉得人不可能飞入太空。
youdao