单词：unmanned aerial vehicle
unmanned aerial vehicle的用法和样例：
例句
- Langley's unmanned plane was launched from the top of a houseboat floating on the Potomac River south of Washington.兰利的无人驾驶飞机从漂浮在华盛顿以南波托马克河上的一座水上住宅的屋顶上起飞。
- Aerial drones and miniature robots sniffing for explosive devices in Iraq provide the first glimpse of a more automated battlefield.用于在伊拉克搜寻爆炸装置的无人驾驶飞机和微型机器人让世人初次目睹了一个更加自动化的战场。
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