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retrograde ['retrəuɡreid] 
词性及解释
  • a.
    后退的, 倒退的, 退步的
  • vi.
    倒退, 退步, 回顾
  • 【医】
    退行性的, 逆行的
英英解释
  • 1.
    v.go back over
    [例]
      retrograde arguments
  • 2.
    v.move back
    [同]retreat
    [例]
      The glacier retrogrades
  • 3.
    v.move in a direction contrary to the usual one
    [例]
      retrograding planets
  • 4.
    v.move backward in an orbit, of celestial bodies
  • 5.
    adj.of amnesia
    [例]
      affecting time immediately preceding trauma
  • 6.
    adj.moving from east to west on the celestial sphere
    [反]direct
    [例]
      or--for planets--around the sun in a direction opposite to that of the Earth
  • 7.
    adj.going from better to worse
常用词组
例句
  • 1.
    The particle motion is elliptical retrograde in contrast to elliptical direct orbit FOR surface waves on water
    质点的运动是椭圆倒转,而不是象水上的面波那样的椭圆正转。
词汇级别

小测验:选择正确的单词

retrograde means:
  • A.bdackward
  • B.sdcented
  • C.adscetic
  • D.hdaggard

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其他托福英语单词

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