你可以让一架飞机飞行，你也可以打死一只停在你家食物上的“苍蝇”。
You can "fly" an airplane or you can hit a "fly" that is on your food in your house.
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。
He has built a tiny robotic fly called Robofly and a 3-d visual flight simulator called Fly-O-Vision.
距离计算器措施直线飞行距离（ “为乌鸦苍蝇” ）之间的分。
The distance calculator measures the straight line flight distance ("as the crow flies") between points.
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