orbit

英 [ˈɔːbɪt]

美 [ˈɔːrbɪt]

n.  (天体等运行的)轨道; (人、组织等的)影响范围，势力范围
v.  沿轨道运行; 围绕…运动

复数：orbits　现在分词：orbiting　过去式：orbited　第三人称单数：orbits　过去分词：orbited　

高考CET4CET6考研TOEFLIELTSTEM8

Collins.2 / BNC.6177 / COCA.4178

牛津词典

noun

• （天体等运行的）轨道
  a curved path followed by a planet or an object as it moves around another planet, star, moon, etc.
  1. the earth's orbit around the sun
     地球环绕太阳的轨道
  2. a space station in orbit round the moon
     绕月球运行的一个航天站
  3. A new satellite has been put into orbit around the earth.
     一颗新的人造卫星被送上了环绕地球的轨道。
• （人、组织等的）影响范围，势力范围
  an area that a particular person, organization, etc. deals with or is able to influence
  1. to come/fall/be within sb's orbit
     进入 / 落入 / 属于某人的势力范围

verb

• 沿轨道运行；围绕…运动
  to move in an orbit (= a curved path) around a much larger object, especially a planet, star, etc.
  1. The earth takes a year to orbit the sun.
     地球绕太阳一周要一年的时间。

柯林斯词典

• N-COUNT （天体等运行的）轨道
  Anorbitis the curved path in space that is followed by an object going round and round a planet, moon, or star.
  1. Mars and Earth have orbits which change with time...
     火星与地球的运行轨道随着时间而变化。
  2. The planet is probably in orbit around a small star.
     这颗行星可能正环绕着一颗小恒星运行。
• VERB 环绕…的轨道运行
  If something such as a satelliteorbitsa planet, moon, or sun, it moves around it in a continuous, curving path.
  1. In 1957 the Soviet Union launched the first satellite to orbit the earth.
     1957年，苏联发射了第一颗绕地卫星。
• N-SING （影响所及的）范围，领域，圈子
  Theorbitof a particular person, group, or institution is the area over which they have influence.
  1. In the late 1970s Laos fell within the orbit of Vietnam and the Soviet Union.
     20世纪70年代末，老挝被纳入了越南和苏联的势力范围。

双语例句

• We have already worked out the conditions for a circular orbit.
  我们已经算出了圆轨道的条件。
• Mars and Earth have orbits which change with time
  火星与地球的运行轨道随着时间而变化。
• Communications satellites, for example, have a geostationary orbit.
  比如，通讯卫星有一个对地静止轨道。
• Most asteroids can be found in an asteroid belt between Marsand Jupiter were they orbit the sun.
  在火星和木星之间的小行星带上被发现的大部分小行星都绕太阳运行。
• Astronauts will make a final attempt today to rescue a communications satellite from its useless orbit
  今天宇航员将会做最后一次尝试，力图把一颗通信卫星从无效的轨道上抢救下来。
• The satellite is now in orbit.
  卫星已进入轨道。
• In the late 1970s Laos fell within the orbit of Vietnam and the Soviet Union.
  20世纪70年代末，老挝被纳入了越南和苏联的势力范围。
• An autonomous satellite attitude and orbit determination system based on the stellar refraction measurement is described.
  研究了基于星光折射量测进行自主确定卫星姿态及轨道的方法。
• The space shuttle will orbit a weather satellite.
  航天飞机将把一个气象卫星送入运行轨道。
• The planet is probably in orbit around a small star.
  这颗行星可能正环绕着一颗小恒星运行。