speeds

英 [spiːdz]

美 [spiːdz]

n.  (运动的)速度，速率; (发生或进行的)速度; 进度; 快; 迅速
v.  快速前行; 快速运送; 加速; 促进
speed的第三人称单数和复数

柯林斯词典

The form of the past tense and past participle is sped in meaning 5 but speeded for the phrasal verb. 义项 5 的过去式和过去分词为sped，但在短语动词中则为 speeded。


• N-VAR (运动、运行的)速度，速率
  Thespeedof something is the rate at which it moves or travels.
  1. He drove off at high speed...
     他驱车飞驰而去。
  2. With this type of camera, the shutter speed is fixed...
     对这类相机而言，快门的速度是固定的。
  3. An electrical pulse in a wire travels close to the speed of light...
     电线里的电脉冲以接近光速的速度传输。
  4. Wind speeds reached force five.
     风速达到 5 级。
• N-COUNT (某事发生或进展的)速度，进度
  Thespeedof something is the rate at which it happens or is done.
  1. In the late 1850s the speed of technological change quickened...
     19 世纪 50 年代末期，技术变革的速度加快了。
  2. Each learner can proceed at his own speed.
     每一位学习者都可以按自己的进度学习。
• N-UNCOUNT (指运动、运行的)高速，快速
  Speedis very fast movement or travel.
  1. Speed is the essential ingredient of all athletics...
     速度是所有田径运动项目的关键要素。
  2. He put on a burst of speed...
     他突然加速了。
  3. The car is quite noisy at speed.
     这辆车高速行驶时噪音很大。
• N-UNCOUNT (指某事发生或进展时的)高速，快速
  Speedis a very fast rate at which something happens or is done.
  1. I was amazed at his speed of working.
     他办事之麻利让我深感叹服。
  2. ...the sheer speed of the unification process.
     统一进程速度惊人
• VERB (尤指坐车)快速行进
  If youspeedsomewhere, you move or travel there quickly, usually in a vehicle.
  1. Trains will speed through the Channel Tunnel at 186mph...
     火车将以每小时 186 英里的速度快速穿过海峡隧道。
  2. The engine noise rises only slightly as I speed along.
     我一路高速行驶时，发动机的噪音只提高了一点点。
• VERB (驾车者)超速行驶
  Someone whois speedingis driving a vehicle faster than the legal speed limit.
  1. This man was not qualified to drive and was speeding.
     这名男子没有驾驶资格，并且违章超速行驶。
• 安非他明(一种兴奋剂)
  Speedis an illegal drug such as amphetamine which some people take to increase their energy and excitement.
• See also:-speed
• topick up speed→ see:pick
• PHRASE 掌握最新情况的
  If you areup to speed, you have all the most recent information that you need about something.
  1. A day has been set aside to bring all councillors up to speed on the proposal...
     已经确定了一个日子，届时将向所有的市政委员汇报有关该建议的最新进展情况。
  2. Those in charge deluded themselves they were up to speed.
     那些负责人自以为掌握了最新情况。

双语例句

• The cooling system's fan motor ensures sufficient engine cooling at slower vehicle speeds.
  该冷却系统的风扇电机保证了在车速较低时对汽车发动机进行充分冷却。
• This abstraction simplifies and speeds up development work.
  该抽象简化并加速了开发工作。
• The cheetah can attain speeds of up to97 kph.
  猎豹的奔跑速度每小时可达97公里。
• This decreases maintenance time and speeds up return to service.
  这就大大减少了维护时间并加快了返修速度。
• We can easily toggle layers on and off, which speeds up productivity.
  我们可以很容易地切换和关闭层，其中达生产力的速度。
• Mansell will race at average speeds approaching 200mph.
  曼塞尔将以接近每小时200英里的平均车速参赛。
• Do objects get shorter and become heavier at high speeds?
  物体在高速运动下变短了和变重了吗？
• The spring wind speeds the greening of the plants.
  春风催绿。
• The hot air permitted higher speeds before the critical Mach number was exceeded
  热空气可使之在超过临界马赫数之前达到更快的速度。
• Using the option to display only text speeds things up a lot.
  选用纯文本显示可以使速度大幅提升。