He has built a tiny robotic fly called Robofly and a 3-d visual flight simulator called Fly-O-Vision.

他研发了一款名叫Robofly的微型机器人苍蝇，以及一种名叫fly - o - Vision的三维可视飞行模拟器。

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In the warmer months they are at risk from attack by maggots, which can eat into their flesh in a condition called fly strike.

天气比较热的月份，它们有可能会生蛆虫，这些虫子会侵噬它们的肉，使它们患上一种叫做羊毛蝇蛆症的病。

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"Of course they're flying!" a little girl in a class replied."They're called butterflies. If they didn't fly, they'd just be butter!"

“它们当然是在飞！”班里的一个小女孩回答说，“它们叫蝴蝶（butterflies）。如果它们不飞（fly），就只能是黄油（butter）！”

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It has also branched into interesting side businesses, such as a technology called dragon-fly that can distill drinking water from the natural moisture in the air.

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The aircraft had the bat-wing insignia of her son's unit, the "Vampires" -- so-called because they usually fly at night.

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Veteran Bath prop David Barnes and uncapped forwards Richard Blaze and Courtney Lawes have been called up, while fly-half Andy Goode, scrum-half Richard Wigglesworth, winger David Strettle, back-rower James Haskell and prop Duncan Bell all join the elite squad.

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