speed

快, 迅速

速率, 速度

(汽车的)变速器, 排挡

(胶片, 相纸)感光速度; (摄影机的)曝光速率

[美]甲基苯异丙胺(兴奋剂)

[古]转数

茂盛, 成功, 兴隆

speed

the act or quality of acting or moving fast; rapidity

the rate at which something moves, is done, or acts

a scalar measure of the rate of movement of a body expressed either as the distance travelled divided by the time taken (average speed) or the rate of change of position with respect to time at a particular point (instantaneous speed). It is measured in metres per second, miles per hour, etc

a rate of rotation, usually expressed in revolutions per unit time

a gear ratio in a motor vehicle, bicycle, etc.(in combination)

a numerical expression of the sensitivity to light of a particular type of film, paper, or plateSee ISO rating

a measure of the ability of a lens to pass light from an object to the image position, determined by the aperture and also the transmitting power of the lens. It increases as the f-number is decreased and vice versa

a slang word for amphetamine

prosperity or success

to move or go or cause to move or go quickly

to drive (a motor vehicle) at a high speed, esp above legal limits

to help further the success or completion of

to take or be under the influence of amphetamines

to operate or run at a high speed

to prosper or succeed.to wish success to

See speed up