Drone
例子
Drones are often used in agriculture to monitor crop health and manage fields efficiently.
无人机经常用于农业，以监测作物健康状况并有效管理田地。
02
a stingless male bee in a colony of social bees whose only role is to mate with the queen
例子
The drone dies shortly after mating with the queen.
03
a continuous, unchanging sound or tone
例子
He spoke in a monotonous drone that put everyone to sleep.
04
a pipe on a bagpipe or similar instrument that produces a single sustained tone
例子
The musician adjusted the drone to match the key.
05
a person who moves or acts sluggishly or takes more time than necessary to complete tasks
例子
The manager complained that half the team were drones.
to drone
01
to speak in a continuous, dull, or monotonous tone, often causing boredom
例子
He droned through his presentation without pausing.
02
to produce a continuous, low, dull, or monotonous noise
例子
The wind droned through the trees all night.
