英语词源
- unmanned (adj.)
- "not furnished with a crew," 1540s, from un- (1) "not" + past participle of man (v).
权威例句
- 1. Unmanned post offices meant millions of letters went unsorted.
- 邮局无人工作意味着许多信件无人分拣。
- 2. an unmanned Mars mission
- 无人火星探测
- 3. Scientists say these unmanned flights can make important and exciting discoveries.
- 科学家们说这次无人驾驶的太空飞行能够获得令人兴奋的重大发现.
- 4. 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。
- 5. A rescue plan could be achieved by sending an unmanned module to the space station.
- 可以通过向太空站发射无人太空舱来实现救援计划。