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英文解释
名词：
1. distance travelled per unit time2. a rate (usually rapid) at which something happens; 例子 "the project advanced with gratifying speed"
3. changing location rapidly
4. the ratio of the focal length to the diameter of a (camera) lens system
5. a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
+ 动词：
6. step on it; 相似 "He rushed down the hall to receive his guests"; "The cars raced down the street"7. move faster; "The car accelerated"
8. travel at an excessive or illegal velocity; "I got a ticket for speeding"
9. move very fast; "The runner zipped past us at breakneck speed"
10. cause to move faster; "He accelerated the car"
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形态变化
sped 或 speeded speeding, speeds
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相关词汇 挖掘...
衍生词, 相关词
speed → Benzedrine, Dexedrine, Methedrine, acceleration, airspeed, c, deceleration, escape velocity, gradualness, haste, hastiness, hurry, hypervelocity, meth, methamphetamine, methamphetamine hydrochloride, motion, move, muzzle velocity, pace, precipitation, quickening, rate, ratio, retardation, scud, scudding, slowing, speedup, steerageway, stimulant, terminal velocity, amphetamine sulfate, amphetamine sulphate, bennie, deoxyephedrine, dextroamphetamine sulphate, drug of abuse, execution speed, graduality, groundspeed, hurriedness, light speed, speed of light, stimulant drug, street drug, barge, brisk, brisk up, buck, charge, dart, dash, flash, fleet, flit, flutter, go, locomote, move, push forward, run, scoot, scud, shoot, shoot down, tear, travel, whizz, whizz along, zoom, brisken, thrust ahead, zoom along
近义词, 同义词
speed ≈ amphetamine, fastness, pep pill, speed, speeding, swiftness, upper, velocity, f number, focal ratio, hurrying, stop number, accelerate, hasten, hie, hotfoot, hurry, quicken, race, rush, speed, speed up, zip, belt along, bucket along, cannonball along, pelt along, rush along, travel rapidly