or·bit /ˈɔrbət/
 軌道(vt.)使沿軌道運行;使進入軌道運行(vi.)沿軌道運行,環行


 or·bit /ˈɔrbət/ 名詞
 眶(腔),軌道,運行軌道,眼窩,勢力範圍,活動範圍,作軌道運行,環行


 orbit
 軌道


 orbit
 半軌道


 orbit
 軌道


 Or·bit n.
 1. Astron. The path described by a heavenly body in its periodical revolution around another body; as, the orbit of Jupiter, of the earth, of the moon.
 2. An orb or ball. [Rare & Improper]
    Roll the lucid orbit of an eye.   --Young.
 3. Anat. The cavity or socket of the skull in which the eye and its appendages are situated.
 4. Zool. The skin which surrounds the eye of a bird.

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 orbit
      n 1: the (usually elliptical) path described by one celestial
           body in its revolution about another; "he plotted the
           orbit of the moon" [syn: celestial orbit]
      2: a particular environment or walk of life; "his social sphere
         is limited"; "it was a closed area of employment"; "he's
         out of my orbit" [syn: sphere, domain, area, field,
          arena]
      3: an area in which something acts or operates or has power or
         control: "the range of a supersonic jet"; "the ambit of
         municipal legislation"; "within the compass of this
         article"; "within the scope of an investigation"; "outside
         the reach of the law"; "in the political orbit of a world
         power" [syn: scope, range, reach, compass, ambit]
      4: the path of an electron around the nucleus of an atom [syn:
         electron orbit]
      5: the bony cavity in the skull containing the eyeball [syn: {eye
         socket, cranial orbit, orbital cavity]
      v : move in an orbit; "The moon orbits around the Earth"; "The
          planets are orbiting the sun"; "electrons orbit the
          nucleus" [syn: revolve]