speed
音标发音
- 英式音标 [spiːd]
- 美式音标 [spiːd]
- 国际音标 [spi:d]
- 英式发音
- 美式发音
基本解释
- n. 速度；进度；迅速；繁荣；感光度；排挡；（非正式）安非他明
- v. 快速运动；加速；促进；（使）繁荣；超速驾驶；（非正式）用兴奋剂成瘾
- n. (Speed) 斯皮德（人名）
词源解说
- 直接源自古英语的sped，意为成功。
同根派生
- adj性质的同根词
- speedy：快的；迅速的；敏捷的。
- speeding：高速行驶的。
- adv性质的同根词
- speedily：迅速地；赶紧。
- n性质的同根词
- speeding：超速行驶。
- speedometer：速度计；里程计。
- speeder：快速行动的人或物；调节速度装置。
- speediness：快速；迅速。
- v性质的同根词
- speeding：促进（speed的ing形式）。
用法辨析
- speed作名词的基本意思是“速度,速率”,指运动事物在单位时间内所通过的距离。作此解时, speed本身无所谓快慢,若表示“快”或“慢”,须加形容词修饰。可用作可数名词,也可用作不可数名词,用作可数名词时,其前常加不定冠词a。
- speed也可作“快,快速”解,指运动本身的速度、频率快,是不可数名词。
- speed后常接of短语作定语,有时speed可用在名词前作定语。
- speed用作动词是“提速”“加速”的意思,含有“有成效”而不带有兴奋与慌乱的意味,也可指驾车者以违法的速度行驶。
- speed可用作及物动词,也可用作不及物动词。用作及物动词时,接名词或代词作宾语。
n. (名词)
v. (动词)
英汉例句
- Our speed averaged out at 50 km an hour.
我们的平均速度是每小时50公里。 - He drove at a speed of sixty miles per hour.
他以每小时60英里的速度开车。 - The ambulance sped to the hospital.
救护车快速开往医院。 - He sped his car through the street.
他开车飞速地穿过街道。
用作名词 (n.)
～+of n./pron.
用作动词 (v.)
用作不及物动词: S+～(+A)
用作及物动词: S+～+ n./pron.
词组短语
- build up speed 加速
- determine the speed 测定速度
- gather speed (汽车)逐渐加速
- increase speed 提高速度
- keep to speed 保持速度
用作名词 (n.)
动词+～
英英字典
- (RATE OF MOVEMENT) how fast something moves
- (DRUG) slang for amphetamine (= a drug that makes the mind or body more active)
- to (cause to) move, go, or happen fast
- The speed of something is the rate at which it moves or travels.
- The speed of something is the rate at which it happens or is done.
- Speed is very fast movement or travel.
- Speed is a very fast rate at which something happens or is done.
- If you speed somewhere, you move or travel there quickly, usually in a vehicle.
- Someone who is speeding is driving a vehicle faster than the legal speed limit.
- speeding
- Speed is an illegal drug such as amphetamine which some people take to increase their energy and excitement.
- to pick up speed&rarrsee pick up