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单词 ornithopter
释义
ornithopter
(once / 193760 pages)
n

WORD FAMILY
ornithopter: ornithopters
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Here are some gorgeous Da Vinci models, including the ornithopter, the catapult, and the air screw. 
Slate(Dec 17, 2015)
Here are some gorgeous Da Vinci models, including the ornithopter, the catapult, and the air screw. 
Slate(Dec 17, 2014)
Mr. Ayala and his group made smaller mechanical birds, called ornithopters, to take wing from the nest.
New York Times(Sep 19, 2014)
n heavier-than-air craft that is propelled by the flapping of wings
Syn|Hyper
orthopter
heavier-than-air craft
a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it
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更新时间:2024/12/23 11:32:51