unmanned
US /ʌnˈmænd/
UK /ʌnˈmænd/
形容词
无人, 自动
without the physical presence of people to operate or control it
示例:
•
The military uses unmanned drones for surveillance.
军队使用无人机进行侦察。
•
The space probe was an unmanned mission to Mars.
该太空探测器是一项无人火星任务。