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

但是值得回忆的是仅仅在一个世纪以前，重于空气的飞行似乎是个不可能实现的梦想。

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On December 17, 1903, the Wright Brothers embarked on the first sustained, heavier-than-air, man-powered flight aboard the Wright Flyer.

1903年12月17日，莱特兄弟驾驶自己制造的第一架飞机“飞行者1号”，在美国北卡罗莱纳州的基蒂霍克海滩，进行了首次有动力驱动的持续飞行。

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Any of various winged vehicles capable of flight, generally heavier than air and driven by jet engines or propellers.

飞机各种能够飞行的带翼交通工具，通常比空气重，用喷气式发动机或螺旋桨驱动。

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

ECONOMIST: Electric planes

Air power enthusiasts had been making that claim continuously since the Wright Brothers proved the feasibility of heavier-than-air flight in 1903, so by the time the new millennium rolled around there were plenty of people in the Air Force ready to believe it.

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