n. the (usually elliptical) path described by one celestial body in its revolution about another
n. the path of an electron around the nucleus of an atom
n. 轨道, 常轨, 眼眶
vt. 绕...轨道而行
vi. 进入轨道, 盘旋
1. The Earth orbits around the Sun once a year.
地球每年围绕太阳公转一次。
2. The moon is in orbit around our planet.
月球在我们的星球周围运行。
3. Satellites are placed in orbit to provide communication services.
卫星被放置在轨道上以提供通讯服务。