BBC news 阅读必备词汇学习:Transcript:
This contraption may not look very impressive...
But when the bicycle-powered helicopter defied gravity, it caused great excitement.
Its flight only lasted 64 seconds and reached an altitude of 3.3 metres. Though it was a greatachievement for the Canadian team, which spent 18 months designing the chopper.
They won a prize worth $250,000 from the American Helicopter Society.
The team hope to inspire the next generation of aviation pioneers.
Vocabulary:
contraption n. 老式又奇妙的装置
defied gravity 失重
altitude n. 高度
chopper n. 直升机
pioneers n. 先锋;拓荒者
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