速度
The rate at which someone or something moves or operates, or at which something happens.
Examples
3 of 5汽车以很高的速度行驶。
The car is traveling at a very high speed.
我们需要加快生产速度。
We need to speed up production.
城市化的速度正在放缓。
The speed of urbanization is slowing down.
Word Family
Memory Tip
Su (Fast) + Du (Degree) = The degree of fastness.
Quick Quiz
随着科技的发展，信息传播的____越来越快。
Correct!
The correct answer is: 速度
Examples
汽车以很高的速度行驶。
everydayThe car is traveling at a very high speed.
我们需要加快生产速度。
businessWe need to speed up production.
城市化的速度正在放缓。
academicThe speed of urbanization is slowing down.
他打字的速度非常惊人。
informalHis typing speed is amazing.
反应速度是运动员的关键素质。
everydayReaction speed is a key quality for athletes.
Word Family
Common Collocations
Common Phrases
速度限制
speed limit
经济发展速度
rate of economic development
以...的速度
at a speed of...
Often Confused With
速度 is just how fast something is, while 效率 (efficiency) is how much is produced relative to the input/time.
Usage Notes
Very common in IELTS Writing Task 1 when describing the rate of change in graphs.
Common Mistakes
Sometimes confused with '速率' which is more technical (velocity/rate).
Memory Tip
Su (Fast) + Du (Degree) = The degree of fastness.
Word Origin
From 'Su' (fast/quick) and 'Du' (degree/measure).
Grammar Patterns
Quick Quiz
随着科技的发展，信息传播的____越来越快。
Correct!
The correct answer is: 速度
Related Vocabulary
More general words
屡次
B1Repeatedly or many times. It is used to emphasize that an action or event has happened multiple times, often despite attempts to stop it.
尴尬
B1Awkward or embarrassed. It describes a situation that is difficult to deal with because it is uncomfortable or socially clumsy.
妥当
B2Appropriate, proper, or well-handled in a given situation. It suggests that everything has been arranged correctly and sensibly.
推荐
B1To suggest that someone or something would be good or suitable for a particular job or purpose.
志愿
B1To offer to do something without being forced or paid; often related to community service.
场所
B1A place where a particular activity happens, such as a workplace, public area, or venue.
合适
B1Suitable, appropriate, or fitting for a particular purpose or person. Very useful in IELTS for discussing job suitability or choosing options.
器材
B1Equipment or materials needed for a particular activity, especially technical or sports-related.
适合
B1To be appropriate or right for someone or something; to suit.
距离
B1The amount of space between two places or people. Often tested in IELTS listening and speaking regarding directions and locations.
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