释义 |
Related topics: Astronomyor·bit·er /ˈɔːbɪtə $ ˈɔːrbɪtər/ noun [countable] technical a spacecraft that is sent into space to travel around the moon or a planet without ever landing on it. It carries equipment but not people and is designed to gather information 轨道器 a lunar orbiter 环月轨道器or·bit·er nounChineseSyllable |