1
- the regularly repeated elliptical course of a celestial object or spacecraft about a star or planet轨道。
1.1
- one complete circuit round an orbited body（一圈）轨道。
1.2
- mass noun the state of being on or moving in such a course绕轨道运行：
the earth is in orbit around the sun.
地球在围绕太阳运行。
1.3
- the path of an electron round an atomic nucleus电子绕原子核运行的轨道。
2
- a sphere of activity, interest, or application（活动、兴趣或应用的）范围：
audiences drawn largely from outside the Party orbit.
主要来自党外的听众。
3
- Anatomy the cavity in the skull of a vertebrate that contains the eye; the eye socket【剖】眼眶, 眼窝。
3.1
- the area around the eye of a bird or other animal（鸟兽的）眼睑; 眼眶。
(orbited, orbiting)with obj.
1- (of a celestial object or spacecraft) move in orbit round (a star or planet)（天体, 飞船）环绕（星球）运行：
Mercury orbits the Sun.
水星环绕太阳运行。
1.1
- no obj. fly or move round in a circle盘旋, 圆圈飞行：
the mobile's disks spun and orbited slowly.
活动雕塑上的圆盘慢慢地, 旋转着绕着圈子。
1.2
- put (a satellite) into orbit使（卫星）进入轨道。
短语
into orbit
- informal into a state of heightened performance, activity, anger, or excitement〈非正式〉进入表演（或行动的）最佳状态; 勃然大怒; 万分激动：
his goal sent the fans into orbit.
他的进球使球迷们极度兴奋。
词源
mid 16th cent. (in sense 3)： from Latin orbita 'course, track' （in medieval Latin 'eye socket'）, feminine of orbitus 'circular', from orbis 'ring'.