speed-主題

speed

[spi:d]

n.速度, 迅速 
v.加速, 急行

例句與用法：

The train soon speeded up.

火車不久就加快了速度。

This plane can reach speeds in excess of 1000 kilometers an hour.

這架飛機可以達到每小時一千公里以上的速度。

We'd better speed up if we want to get there in time.

如果我們想準時到達那裡，我們最好加快速度。

The police are advising motorists to reduce speed because of the fog.

由於有霧，警察告誡駕車者減慢速度。

The holidays simply sped by.

假期簡直是一晃而過。

詞形變化：

動詞過去式: sped/speeded | 動詞過去分詞: sped/speeded | 動詞現在分詞: speeding | 動詞第三人稱單數: speeds |

英文解釋:

名詞 speed:

distance travelled per unit time

同義詞：velocity

a rate (usually rapid) at which something happens

同義詞：swiftness, fastness

changing location rapidly

同義詞：speeding, hurrying

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

同義詞：focal ratio, f number, stop number

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

同義詞：amphetamine, pep pill, upper

動詞 speed:

step on it

同義詞：rush, hotfoot, hasten, hie, race, pelt along, rush along, cannonball along, bucket along, belt along

move faster

同義詞：accelerate, speed up, quicken

travel at an excessive or illegal velocity

move very fast

同義詞：travel rapidly, hurry, zip

cause to move faster

同義詞：accelerate, speed up

以上來源於大辭典