Speed
[ spid ]
第1級
其它 Other
n. 速度;快速;昌盛;（汽車的）變速器，排擋;
vt.& vi. 急行，加速;
vi. 超速;加速;迅速前行;興隆;
vt. 加快…的速度;使成功，使繁榮;
?? 例句
He could calculate percentages mentally at high speed.
他心算速度極快，能很快算出利潤金額。
The speed of light turns out to be nature's speed limit.
光速原來是自然界的速度極限。
Tom was fined for speeding.
湯姆因超速行車被罰款。
The train is travelling at a speed of sixty miles an hour.
火車正以每小時六十英里的速度行駛。
The young man just bought a 10-speed bicycle.
這個年輕人剛買了一輛十速自行車。
?? 聯(lián)想助記
【串】種下瓜seed(種子),常澆灌need(需要),卻長出weed(雜草),內(nèi)心在bleed(出血),開車快speed(速度),把車禍breed(釀成),吃飯要被feed(喂)
【記】※ speak-說,speed-速度:快說,加快速度
※ spend-花,speed-速度:資本家花錢,速度似流水
? 同義詞
?? 反義詞
?? 詞根
?? 牛津釋義
speed
n
1 [U] quickness of movements; swiftness 快; 迅速
He moves with great speed. 他動作很迅速.
The tennis player's speed is his great asset. 那個網(wǎng)球運動員動作迅速, 這是他的一大優(yōu)勢.
2 [C, U] rate at which sb/sth moves 速度; 速率
at a speed of fifty kilometres an hour 以每小時五十公里的速度
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? 你用的膠卷感光度是多少?
(b) time taken by a camera shutter to open and close 快門速度
different shutter speeds 不同的快門速度
a photograph taken at a speed of -1-250 of a second 用-1-250秒的快門速度拍攝的照片.
4 [U] (sl 俚) amphetamine used as a drug to produce a sense of well-being and excitement 苯異丙胺, 安非他明（用以產(chǎn)生欣快感和興奮感）
He's hooked on (ie addicted to) speed. 他使用安非他明已成癮.
5 [C] (esp in compounds 尤用以構(gòu)成復(fù)合詞) gear 排擋
a ten-speed bicycle 十速自行車.
6 (idm 習(xí)語) at speed at high speed; quickly 高速地; 快地
It's dangerous to go round corners at speed. 高速轉(zhuǎn)彎很危險. 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 盡快地. with lightning speed => lightning2. speed, v (pt, pp sped ; in senses 2 and 3 用於下述第2義和第3義時作 speeded)
1 [Ipr] move along or go quickly 快速行進(jìn); 疾行
cars speeding past the school 從學(xué)校旁快速駛過的汽車
He sped down the street. 他沿那條街快步走去.
2 [Tn, Tn.pr]
cause (sth) to move or go quickly 使（某事物）快速移動或行進(jìn)
This medicine will help speed her recovery. 這藥能加快她康復(fù).
3 [I] (usu in the continous tenses 通常用於進(jìn)行時態(tài)) drive or go faster than the speeds allowed by law 違章超速駕駛或行駛
The police said he'd been speeding on the motorway. 警察說他在高速公路上違章超速行駛.
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. 他們加快了新汽車的生產(chǎn).
The train soon speeded up. 火車不久就加快了速度.
?? 擴展釋義
*[spi:d]n. 速率, 速度, 迅速vi. 加速, 超速, 快進(jìn)vt. 快速傳送, 促進(jìn), 使加速【計】 中央處理機速度設(shè)置程序【化】 速率【醫(yī)】 速率, 速度相關(guān)詞組: at railway speed at full speed speed up
?? 醫(yī)學(xué)釋義
速率，速度，轉(zhuǎn)數(shù)
?? 同詞根單詞
?? 同為「初中」詞匯
查看全部初中詞匯 ›??? 情景例句
I can't sing, dance or act, so how can I possibly get into the performing arts?
我不會唱歌、跳舞，不會演戲，怎么能進(jìn)入娛樂界呢？
You can't do this to me.
你不能這么對我。
We're going to work on a farm. Don't you know?
我們打算去農(nóng)場勞動，你不知道嗎？