orbit
名词 orbit:
the (usually elliptical) path described by one celestial body in its revolution about another
同义词:celestial orbit
a particular environment or walk of life
同义词:sphere, domain, area, field, arena
an area in which something acts or operates or has power or control: "the range of a supersonic jet"
同义词:scope, range, reach, compass, ambit
the path of an electron around the nucleus of an atom
同义词:electron orbit
the bony cavity in the skull containing the eyeball
同义词:eye socket, cranial orbit, orbital cavity
动词 orbit:
move in an orbit