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When ET took to the sky on a BMX, he made it look like child’s play. This world-first human-powered flying bike, however, has taken a bit of blue-sky thinking to get it off the ground. 当外星人ET骑着辆BMX小轮车飞到天上时，看上去是那样的轻而易举。但是全世界的第一辆人力自行飞车却需要有点创新思维才能真正起飞。 Comprising an ungainly mix of a bike with wings, a fan, a motor and a parachute, the invention, known as a Paravelo, can reach 4,000ft and speeds of up to 25mph. 这辆名为Paravelo的自行飞车上安装了滑翔翼、螺旋桨、马达和降落伞，虽然外观不怎么优雅，但却能飞至4000英尺的高空，最高速度可达每小时25英里。 On the ground, the Paravelo is an ordinary two-wheeled bike – albeit one that is towing a trailer with a large biofuel-powered fan. But with a bit of space to act as a runway, the trailer can be docked with the bike to transform it into a flying machine capable of running for three hours on a full tank of fuel. Paravelo在地面行驶时，与普通两轮自行车没有太大区别，只是它多了一个拖车，上面装有使用生物燃料的大螺旋桨。但要是有足够空间做跑道的话，拖车就能与自行车部分结合，变型成飞行器，在满油状态下可飞行三小时。 Its British creators, John Fordon, 37, and Yannick Read, 42, said they were inspired by cycling in their childhood when creating the Paravelo, which costs £10,000. They believe their creation will revolutionise the way people travel to work. | 
