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西班牙一家公司希望在两年内让人们进行高空游。他们已经制造出一种可以上升到36千米高空的热氦气球,希望让人们往那里观赏地球和太空。
A Spanish company hopes to allow people to go on air travel within two years. They’ve created a hot-helium balloon that can rise to 36 kilometers and hope people will watch Earth and space there.