drone
US /droʊn/
UK /droʊn/

名词
1.
无人机
a remote-controlled pilotless aircraft or small flying robot, used for surveillance, delivering goods, or military operations
示例:
•
The company uses drones to deliver packages.
该公司使用无人机运送包裹。
•
Military drones are used for reconnaissance.
军用无人机用于侦察。
2.
3.
雄蜂
a male bee, especially a honeybee, that does no work but can fertilize the queen
示例:
•
The queen bee mates with several drones.
蜂王与几只雄蜂交配。
•
Drones are expelled from the hive in winter.
雄蜂在冬天被逐出蜂巢。
动词
1.
2.
单调地说, 嗡嗡地说
speak in a monotonous tone
示例:
•
The professor would often drone on about ancient history.
教授经常单调地讲述古代历史。
•
His voice began to drone as he read the long report.
他读着长篇报告,声音开始变得单调。
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