n. 1.快，迅速。 2.速率，速度。 3.(汽车的)变速器，排挡。 4.(胶片，照相纸)感光速度。 5.〔古语〕兴隆，成功。 6.〔美国〕甲基苯异丙胺(类毒品)。 7. 〔美口〕(大音量和强节奏的)“重金属”(电子)摇滚乐 (＝speed-metal)。 More haste, less [worse] speed. 越急越慢，欲速反迟。 The ship has a speed of 30 knots. 这条船时速30海里。 Let's accelerate the speed of our community construction. 让我们加快我们社区建设的速度。 a top speed 最大速度。 a speed of escape [escape speed] 【火箭】第二宇宙速度，逃逸速度〔克服地球引力的速度〕。 a horse of speed 快马。 (at) full speed＝at the top of one's speed 用全速，开足马力。 make speed 赶快，赶紧，加快。 put on full speed 用全速，开足马力。 with speed 迅速，赶快。 wish (sb.) good speed＝wish good speed (to sb.) 祝…成功。 with all speed 用全速，开足马力。 vt. (sped , speeded) (常用 speeded) 1.催，使赶快，促进，快速送传。 2.〔古语〕使成功，使成就，使兴隆。 3.祝愿成功，祝一路平安。 4.调节速度，使保持一定速度。 Speed our boat forward. It's getting dark. 使我们的小船快速前进，天黑起来了。 It's time we speed the parting guests. 现在是我们去向离别的客人们祝福一路平安的时候了。 vi. 1.迅速前进，快行 (along down up across)。 2.进行；过日子。 3.〔美国〕(汽车司机)用规定以上的速度驾驶。 4.〔古语〕成功，兴隆。 短语和例子 The car sped directly to the village. 汽车一直地疾驶进入村子里。 I should like to know how you speed. 我很想知道您的好情况。 God speed you! 祝成功! speed ill 不顺利。 speed up 加快(机器等的)速度；使加紧做 (sth.) (speed up the work 加紧工作)。 speed well 顺利。
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,
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.
例句与用法
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 . 他因超速行驶而遭控告。
3.
Light sets the speed limit for nature . 光速限定了自然界的速率极限。
4.
Did not you see the limitation of speed ? 难道你没看见限速标志吗？。
5.
The racer lapped at unprecedented speed . 跑车以空前的速度跑完全程。
6.
In this way a high speed can be built up . 这样一来，就可产生高速度。
7.
Wave speed equals frequency times wavelength . 波速等于频率乘以波长。
8.
The inverse of its slope is the speed of light . 其倾斜的倒数是光速。
9.
The speed limit is 40 miles per hour . 规定的最高时速为每小时40英里。
10.
The speed of light is an invariant constant . 光速是一个不变常数。
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