unmanned vehicle无人驾驶: manless driving飞行器: aerobat; air vehicle; beast; ...无人驾驶飞行器飞行任务: unmanned mission无人驾驶飞行器的发射: unmanned launch无人驾驶飞行器的活动: unmanned flight operation下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:无人驾驶飞行器,即可在微信中查询翻译