speed
英 [spiːd]
美[spid]
	    - vi. 超速,加速;加速,迅速前行;兴隆
 - n. 速度,速率;迅速,快速;昌盛,繁荣
 - vt. 加快…的速度;使成功,使繁荣
 - n. (Speed)人名;(英)斯皮德
 
英英释意
- 1. distance travelled per unit time
 
- 2. a rate (usually rapid) at which something happens;
 - "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