1ADJ [usually ADJ n]无人驾驶的；无人操纵的Unmanned vehicles such as spacecraft do not have any people in them and operate automatically or are controlled from a distance. 无人驾驶的；无人操纵的
...a special unmanned spacecraft.
一架特别的无人驾驶飞行器
...unmanned rockets.
自控火箭
2ADJ 无人(工作)的 If a place is unmanned, there is nobody working there. 无人(工作)的
The fare from the last unmanned station is probably less than a pound.
从上一个无人站过来的费用可能还不到1镑。
Unmanned post offices meant millions of letters went unsorted.