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
The speed of something is the rate at which it moves or travels.
- He drove off at high speed...
他驱车飞驰而去。 - 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。 - 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。 - 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
The speed of something is the rate at which it happens or is done.
- 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。 - 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
Speed is very fast movement or travel.
- Speed is the essential ingredient of all athletics...
速度是所有田径运动项目的关键要素。 - He put on a burst of speed...
他突然加速了。 - 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
Speed is a very fast rate at which something happens or is done.
- I was amazed at his speed of working.
他办事之麻利让我深感叹服。 - ...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 you speed somewhere, you move or travel there quickly, usually in a vehicle.
- 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。 - 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 who is speeding is driving a vehicle faster than the legal speed limit.
- 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)
Speed is an illegal drug such as amphetamine which some people take to increase their energy and excitement.
- See also: -speed
- to pick up speed → see: pick
- PHRASE 掌握最新情况的
If you are up to speed, you have all the most recent information that you need about something.
- 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。 - 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。