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speed中文

[ spi:d ] 發音:   用"speed"造句
  • n.
    1.快,迅速。
    2.速率,速度。
    3.(汽車的)變速器,排擋。
    +更多解釋...
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例句與用法

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  1. What is the speed limit on the motorway ?
    高速公路的速度限制是多少?
  2. He was had up for exceeding the speed limit .
    他因超速行駛而遭控告。
  3. Light sets the speed limit for nature .
    光速限定了自然界的速率極限。
  4. Did not you see the limitation of speed ?
    難道你沒看見限速標志嗎?。
  5. The racer lapped at unprecedented speed .
    跑車以空前的速度跑完全程。

英文釋義

名詞
  1. changing location rapidly
    同義詞:speeding, hurrying
  2. a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
    同義詞:amphetamine, pep pill, upper
  3. a rate (usually rapid) at which something happens; "the project advanced with gratifying speed"
    同義詞:swiftness, fastness
  4. the ratio of the focal length to the diameter of a (camera) lens system
    同義詞:focal ratio, f number, stop number
  5. distance travelled per unit time
    同義詞:velocity
动詞
  1. move faster; "The car accelerated"
    同義詞:accelerate, speed up, quicken
  2. cause to move faster; "He accelerated the car"
    同義詞:accelerate, speed up
  3. move very fast; "The runner zipped past us at breakneck speed"
    同義詞:travel rapidly, hurry, zip
  4. travel at an excessive or illegal velocity; "I got a ticket for speeding"
  5. move fast; "He rushed down the hall to receive his guests"; "The cars raced down the street"
    同義詞:rush, hotfoot, hasten, hie, race, pelt along, rush along, cannonball along, bucket along, belt along, step on it

百科釋義

    In kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity. This is the likely origin of the speed/velocity terminology in vector physics.
    詳細百科解釋

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