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单词 orbit
释义 orbit
n. & v.
--n
  1. a the curved, usu. closed course of a planet, satellite, etc. b (prec. by in, into, out of, etc.) the state of motion in an orbit. c one complete passage around an orbited body.
  2. the path of an electron round an atomic nucleus.
  3. a range or sphere of action.
  4. a the eye socket. b the area around the eye of a bird or insect.
--v (orbited, orbiting)
  1. intr. a (of a satellite etc.) go round in orbit. b fly in a circle.
  2. tr. move in orbit round.
  3. tr. put into orbit.
Derivatives
orbiter n.
Etymology: L orbita course, track (in med.L eye-cavity): fem. of orbitus circular f. orbis ring
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