n. 轨道( orbit的名词复数 ); 势力范围

v. 在…轨道上运行, 环绕轨道运行( orbit的第三人称单数 )

n the (usually elliptical) path described by one celestial body in its revolution about another

n a particular environment or walk of life

n an area in which something acts or operates or has power or control: "the range of a supersonic jet"

n the path of an electron around the nucleus of an atom

n the bony cavity in the skull containing the eyeball

v move in an orbit