无人侦查机的英文：
spy drone
n. 间谍，密探
v. 当间谍，暗中监视
They executed a spy.
他们处死了一个间谍。
The police detected a spy.
警方侦查出一名间谍。
The atmosphere was reminiscent of spy movies.
那气氛使人联想起间谍电影。
The spy was promptly dispatched.
间谍被按时绳之以法。
infiltrate a spy into the enemy camp
使间谍渗入敌营
n. 雄蜂；嗡嗡声；懒惰者；无人驾驶飞机
v. 嗡嗡作声；低沉地说；喋喋不休地说；混日子
It's bad to drone.
混日子是不好的。
The result was a clunky lego drone.
结果这破旧的乐高机器人只是嗡嗡响。
The drone is the foe of us all.
懒惰者是我们所有人的仇敌。
The mosquitoes droned their angry chant.
蚊子嗡唱着他们愤怒的歌曲。
It intervals the drone of an insect bored the air.
不时有只昆虫嗡嗡嗡地打破这阵寂静。