adj.无(需)人操作的，无(需)人控制的，自控的
v.使失去男子气质；使怯懦；阉割
unman的过去分词和过去式

原形：unman

The military is increasingly relying on unmanned aerial vehicles (UAVs) for surveillance and reconnaissance missions.
军方在执行监视和侦察任务时越来越依赖于无人驾驶飞行器（无人机）。
The company plans to launch a fleet of unmanned underwater vehicles to explore deep-sea mineral deposits.
该公司计划部署一支无人水下航行器舰队，以勘探深海矿藏。
The future of package delivery may involve unmanned ground vehicles navigating busy urban streets.
快递行业的未来可能涉及无人驾驶地面车辆在繁忙的城市街道上行驶。
NASA has developed an unmanned spacecraft capable of landing on distant planets and transmitting data back to Earth.
美国宇航局开发了一种能登陆遥远行星并把数据传回地球的无人航天器。
In agriculture, unmanned tractors equipped with precision technology are revolutionizing crop management.
在农业领域，配备精密技术的无人驾驶拖拉机正在革新作物管理方式。
Researchers are using unmanned surface vessels to study marine ecosystems without disturbing the environment.
研究人员使用无人水面船只在不干扰环境的情况下研究海洋生态系统。
The oil industry utilizes unmanned offshore drilling rigs to extract resources from beneath the ocean floor.
石油行业利用无人海上钻井平台从海底下方开采资源。
Unmanned cargo ships could significantly reduce the cost and risk associated with long-distance maritime transport.
无人驾驶货船可以显著降低长途海运的成本和风险。
Law enforcement agencies are testing unmanned drones for search and rescue operations in remote or hazardous areas.
执法机构正在测试无人无人机用于偏远或危险地区的搜索和救援行动。
The advent of unmanned taxis promises a safer, more efficient, and environmentally friendly mode of urban transportation.
无人驾驶出租车的出现预示着一种更安全、更高效、更环保的城市交通方式。