单词	ornithopter
释义	ornithopter /ˈɔːnɪˌθɒptə / noun chiefly historical A machine designed to achieve flight by means of flapping wings.In collaboration with SRI International in Menlo Park, California, they are developing ornithopters - aircraft that get all of their thrust and most of their lift from flapping wings.... He said that although the Canadian ornithopter was powered by an engine it was still very close to what Da Vinci had intended. He developed prototypes for mass-produceable goods, and worked on the quixotic Letatlin, a design for an ornithopter. Origin Early 20th century: coined in French as ornithoptère.
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