无人机：无人驾驶飞机
unmanned aerial vehicle, unmanned plane, pilotless plane, drone plane or drone
e.g. 一位白宫发言人说，一架小型无人机于星期一凌晨坠落在白宫草坪上，但是这架无人机看上去没有危险。
A White House spokesman said that a small drone crashed on the lawns of the White House in the early hours of Monday but the drone did not appear to be dangerous.
e.g. 高考期间，河南省官员派出了一架携带无线电扫描仪的无人机来抓作弊者。
During the National Matriculation Examination, officials in Henan Province deployed a drone plane carrying a radio scanner to catch cheats.
