及物动词

1. Now space satellites are used to speed long distance calls.
现在宇宙卫星被用来快速传送长途电话。

不及物动词

1. The ambulance sped to the hospital.
救护车急速向医院驶去。

名词

1. The police stopped him for exceeding the speed limit.
因为超速行车，警察挡住了他。

2. You work with amazing speed.
你工作起来速度奇快。

1. speed：self programmed electronic equation delineator; 自编程电子方程图解器

2. speed：single pointemergency equipment divestment; 应急装备单点解脱机构

noun

1. changing location rapidly

Synonym: speedinghurrying

2. a central nervous system stimulant that increases energy and decreases appetite
used to treat narcolepsy and some forms of depression

Synonym: amphetaminepep pillupper

3. a rate (usually rapid) at which something happens

e.g. the project advanced with gratifying speed

Synonym: swiftnessfastness

4. the ratio of the focal length to the diameter of a (camera) lens system

Synonym: focal ratiof numberstop number

5. distance travelled per unit time

Synonym: velocity