Speed
[ spid ]
第1级
其它 Other
n. 速度;快速;昌盛;（汽车的）变速器，排挡;
vt.& vi. 急行，加速;
vi. 超速;加速;迅速前行;兴隆;
vt. 加快…的速度;使成功，使繁荣;
📝 例句
He could calculate percentages mentally at high speed.
他心算速度极快，能很快算出利润金额。
The speed of light turns out to be nature's speed limit.
光速原来是自然界的速度极限。
Tom was fined for speeding.
汤姆因超速行车被罚款。
The train is travelling at a speed of sixty miles an hour.
火车正以每小时六十英里的速度行驶。
The young man just bought a 10-speed bicycle.
这个年轻人刚买了一辆十速自行车。
🌱 联想助记
【串】种下瓜seed(种子),常浇灌need(需要),却长出weed(杂草),内心在bleed(出血),开车快speed(速度),把车祸breed(酿成),吃饭要被feed(喂)
【记】※ speak-说,speed-速度:快说,加快速度
※ spend-花,speed-速度:资本家花钱,速度似流水
✅ 同义词
🔴 反义词
🔤 词根
📖 牛津释义
speed
n
1 [U] quickness of movements; swiftness 快; 迅速
He moves with great speed. 他动作很迅速.
The tennis player's speed is his great asset. 那个网球运动员动作迅速, 这是他的一大优势.
2 [C, U] rate at which sb/sth moves 速度; 速率
at a speed of fifty kilometres an hour 以每小时五十公里的速度
at
(a) very slow speed 以很慢的速度
at top speed 以最高速度.
3 [C]
(a) sensitivity of photographic film to light 感光度
What's the speed of the film you're using? 你用的胶卷感光度是多少?
(b) time taken by a camera shutter to open and close 快门速度
different shutter speeds 不同的快门速度
a photograph taken at a speed of -1-250 of a second 用-1-250秒的快门速度拍摄的照片.
4 [U] (sl 俚) amphetamine used as a drug to produce a sense of well-being and excitement 苯异丙胺, 安非他明（用以产生欣快感和兴奋感）
He's hooked on (ie addicted to) speed. 他使用安非他明已成瘾.
5 [C] (esp in compounds 尤用以构成复合词) gear 排挡
a ten-speed bicycle 十速自行车.
6 (idm 习语) at speed at high speed; quickly 高速地; 快地
It's dangerous to go round corners at speed. 高速转弯很危险. full pelt/tilt/speed => full. full speed/steam ahead => full. more haste, less speed => haste. pick up speed => pick3. a turn of speed => turn2. with all `speed/`haste as quickly as possible 尽快地. with lightning speed => lightning2. speed, v (pt, pp sped ; in senses 2 and 3 用於下述第2义和第3义时作 speeded)
1 [Ipr] move along or go quickly 快速行进; 疾行
cars speeding past the school 从学校旁快速驶过的汽车
He sped down the street. 他沿那条街快步走去.
2 [Tn, Tn.pr]
cause (sth) to move or go quickly 使（某事物）快速移动或行进
This medicine will help speed her recovery. 这药能加快她康复.
3 [I] (usu in the continous tenses 通常用於进行时态) drive or go faster than the speeds allowed by law 违章超速驾驶或行驶
The police said he'd been speeding on the motorway. 警察说他在高速公路上违章超速行驶.
4 (phr v) speed (sth) up (cause sth to) increase speed （使某事物）加速
They've speeded up production of the new car. 他们加快了新汽车的生产.
The train soon speeded up. 火车不久就加快了速度.
🔁 扩展释义
*[spi:d]n. 速率, 速度, 迅速vi. 加速, 超速, 快进vt. 快速传送, 促进, 使加速【计】 中央处理机速度设置程序【化】 速率【医】 速率, 速度相关词组: at railway speed at full speed speed up
🏥 医学释义
速率，速度，转数
🌿 同词根单词
📖 同为「初中」词汇
查看全部初中词汇 ›🗣️ 情景例句
Too easy?
太简单？
There are one hundred pennies in every dollar.
每美元是一百美分。
It is one of the world's most important languages because it is so widely used.
英语使用得如此广泛，它已成为全球最重要的语言之一。