speed
gb/spˈid/ us/spˈid/
A2
英语
~ 1300
义项
0 个义项
名词
A2
quantity
1
rate of movement
How fast someone or something moves.
用法模式：
the speed of [something]
常见错误：
Learners sometimes confuse 'speed' with 'time', saying 'the speed is 3 hours' instead of 'it takes 3 hours'.
近义词
velocity (More technical, often used in physics.)
反义词
slowness (Refers to a low rate of movement.)
搭配
high speed
|top speed
|speed limit
|average speed
|speed camera
主题
transportation
|science
|sports
|core_vocabulary
例句
- The car was traveling at a speed of 80 miles per hour.
- He increased his running speed to win the race.
- The train picked up speed as it left the station.
学习者例句
- The bus is moving at high speed.
- She runs at a good speed.
- The bike is going at slow speed.
动词
B1
action
2
move quickly
To go from one place to another fast.
用法模式：
to speed [somewhere]
常见错误：
Learners may incorrectly use 'speed' without 'up' when meaning 'increase speed', as in 'The car speed' instead of 'The car sped up'.
近义词
hurry (Implies urgency but not necessarily high velocity.)
反义词
crawl (To move very slowly.)
搭配
speed away
|speed off
|speed through
|speed past
主题
transportation
|daily life
|core_vocabulary
|travel
例句
- The ambulance sped through the traffic.
- She sped home after hearing the news.
- They sped past us on the highway.
学习者例句
- The car speeds down the road.
- He speeds to work every day.
- They speed past the bus stop.
名词
A2
quantity
3
legal travel limit
The fastest you can legally drive on a road.
用法模式：
the speed limit on [road] is [number]
常见错误：
Learners sometimes confuse 'speed limit' with 'average speed'.
近义词
velocity limit (Technical term, rare in everyday speech.)
反义词
no limit (A situation where no maximum speed is enforced.)
搭配
exceed the speed limit
|set a speed limit
|obey the speed limit
主题
law
|transportation
例句
- The speed limit here is 50 kilometers per hour.
- He was fined for breaking the speed limit.
- They plan to reduce the speed limit in school zones.
学习者例句
- The speed limit is 60 km/h.
- Do not drive over the speed limit.
- She drives under the speed limit.
名词
B1
property
4
quickness in action
How fast you can do something.
近义词
quickness (Slightly more informal and general.)
反义词
sluggishness (Slow and lacking energy.)
搭配
work with speed
|speed and efficiency
|speed of response
主题
sports
|work
|core_vocabulary
例句
- Her typing speed is impressive.
- Speed is important in emergency situations.
- He admired the speed of her decision-making.
学习者例句
- My typing speed is fast.
- We need more speed in this game.
- He works with good speed.
名词
informal
B2
entity
5
illegal stimulant drug
An illegal drug that makes people feel more awake and active.
近义词
amphetamine (Scientific term for the substance, used in medical contexts.)
搭配
take speed
|on speed
主题
drugs
|health
例句
- He was arrested for possessing speed.
- Speed can be highly addictive.
- They found packets of speed hidden in his car.
学习者例句
- Speed is a dangerous drug.
- He took speed last night.
- Police found speed in his bag.
语法
词典原形
speed
IPA
GB/spˈid/
US/spˈid/
音节与重音
speed （1 个音节）
Stress on 1st syllable (speed)
词形变化
Noun
- Base: speed
- Plural: speed, speeds
Verb
- Base: speed
- 3rd Person Singular: speeds
- Present Participle: speeding
- Past: sped, speeded
- Past Participle: sped
词族
Forms
speeds
noun
speeding
verb
sped
verb
speeded
verb
Core family
speedy
adjective B1
Related words
speedometer
noun
speeder
noun B1
Advanced or less common
speedily
adverb B1
语法重点
- Irregular past participle: sped Verb
相关表达
at full speed
1/ˈæt fˈʊl spˈid/
fixed phrase
as fast as possible
Moving as fast as possible.
例句
- The ship was sailing at full speed.
- He ran at full speed to catch the bus.
more haste, less speed
1/mˈɔɹ hˈeɪst | lˈɛs spˈid/
idiom
hurrying causes delays or mistakes overall slowing progress overall
If you try to do something too quickly, you will make mistakes and take longer overall.
例句
- Remember, more haste, less speed — check your work carefully.
- She learned that more haste, less speed when she broke the vase while rushing.
need for speed
1/nˈid fɚ spˈid/
idiom
informal
strong desire to go very fast
A strong wish to go very fast, especially while driving or racing.
例句
- His need for speed got him into trouble with the police.
- She has always had a need for speed when skiing.
speed limit
1/spˈid lˈɪmɪt/
fixed phrase
legal maximum vehicle travel rate on road section
The fastest you can legally drive on a certain road.
例句
- This road has a speed limit of 70 mph.
- He was caught driving over the speed limit.
speed up
1/spˈid ˈʌp/
phrasal verb
increase movement rate or progress pace
To make something or someone go faster or happen sooner.
例句
- The driver sped up to overtake the truck.
- We need to speed up production to meet demand.