The dream of personalised flight is still vivid in the minds of many inventors, some developing cycle-powered craft, others pouring money into jetpacks.

个人飞行的梦想在许多发明家的脑海中仍然鲜活生动，一些人开发循环动力飞行器，另一些人则往喷气背包上大量投入资金。

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At flight school, Irving achieved his dream of learning how to fly.

欧文在飞行学校实现了他学习飞行的梦想。

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Larry fulfilled his dream, and set a record for a gas-filled balloon flight.

拉里实现了梦想，而且创造了一项以充气气球飞行的记录。

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Sierra Nevada Space Systems showed video of a successful flight of their Dream Catcher orbital space vehicle this year.

FORBES: Private Space Transportation Reaching New Heights

The heroes of Mr Morton's book are the astronomers who yearn to solve Mars's scientific puzzles, the science-fiction writers who project their politics on to Mars's blank canvas, and the space-flight enthusiasts who dream of Martian colonies.

ECONOMIST: Mars

But it is worth remembering that just over a century ago, heavier-than-air flight seemed an impossible dream.

ECONOMIST: Electric planes