sped

英 [sped] 美 [sped]

• speed的过去式, 过去分词

英英释义

名词 speed:

1. distance travelled per unit time

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

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

词汇搭配

• speed 速度