411 REFERENCE · Wikibooks
English-Hanzi/Orbit
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
An orbit is the path of an object moving around a bigger object in the space.
轨道 是 太空 中 一个 物体 围绕 一个 较大 物体 运行 的 路径。