speed中文什么意思
[ spi:d ]发音: 用"speed"造句
n.
1.快,迅速。
2.速率,速度。
3.(汽车的)变速器,排挡。
+更多解释...
1.快,迅速。
2.速率,速度。
3.(汽车的)变速器,排挡。
+更多解释...
- at a speed of: 以…的速度
- at speed: 飞快地
- at the speed of: 以的速度; 以……速度
例句与用法
更多例句: 下一页- What is the speed limit on the motorway ?
高速公路的速度限制是多少? - He was had up for exceeding the speed limit .
他因超速行驶而遭控告。 - Light sets the speed limit for nature .
光速限定了自然界的速率极限。 - Did not you see the limitation of speed ?
难道你没看见限速标志吗?。 - The racer lapped at unprecedented speed .
跑车以空前的速度跑完全程。
英文释义
名词- changing location rapidly
同义词:speeding, hurrying - a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
同义词:amphetamine, pep pill, upper - a rate (usually rapid) at which something happens; "the project advanced with gratifying speed"
同义词:swiftness, fastness - the ratio of the focal length to the diameter of a (camera) lens system
同义词:focal ratio, f number, stop number - distance travelled per unit time
同义词:velocity
- move faster; "The car accelerated"
同义词:accelerate, speed up, quicken - cause to move faster; "He accelerated the car"
同义词:accelerate, speed up - move very fast; "The runner zipped past us at breakneck speed"
同义词:travel rapidly, hurry, zip - travel at an excessive or illegal velocity; "I got a ticket for speeding"
- move fast; "He rushed down the hall to receive his guests"; "The cars raced down the street"
同义词:rush, hotfoot, hasten, hie, race, pelt along, rush along, cannonball along, bucket along, belt along, step on it
百科释义
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.
详细百科解释