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想不想只花几千块钱就去太空旅行?绝对不是天方夜谭。太空旅行不会只是宇航员和少数大阔佬的专利,也许再过几十年,我们普通入也能潇潇洒洒游览太空,因为科学家们正在考虑研制
Do not want to just spend thousands of dollars on space travel? Definitely not fantasy. Space travel will not just be a patent for astronauts and a few grandmasters. Maybe in a matter of decades we'll be able to travel in space as well, as scientists are thinking about developing