quantity
gb/kwˈɔntɪti/ us/kwˈɔntɪti/
A2
英语
~ 2200
义项
0 个义项
名词
A2
quantity
1
amount or number of something
How much or how many of something there is.
用法模式：
a quantity of [something]
常见错误：
Learners sometimes confuse 'quantity' with 'quality'. 'Quantity' refers to amount, while 'quality' refers to how good something is.
近义词
amount (More general and common; can refer to uncountable things as well.)
|
number (Refers specifically to countable items rather than mass nouns.)
反义词
lack (Indicates the absence or shortage of an amount.)
搭配
large quantity
|small quantity
|equal quantity
|sufficient quantity
|unknown quantity
主题
measurement
|mathematics
|daily life
|core_vocabulary
例句
- The recipe calls for a small quantity of sugar.
- We received a large quantity of orders this week.
- A certain quantity of water is needed to fill the tank.
- They measured the quantity of fuel left in the car.
- This product contains only a tiny quantity of salt.
学习者例句
- I bought a large quantity of rice.
- We need a small quantity of milk.
- There is a big quantity of people here.
- Please give me the right quantity of paper.
- The box has a small quantity of toys.
名词
technical
B2
quantity
2
measurable value in science
A number or value that shows how much of something there is in science or math.
用法模式：
[adjective] quantity
常见错误：
Learners may not realize that in science, 'quantity' refers to something measurable, not just any amount.
近义词
magnitude (Often used in physics to refer to size or extent of a vector.)
搭配
physical quantity
|vector quantity
|scalar quantity
主题
science
|mathematics
|education
例句
- Velocity is a vector quantity with both magnitude and direction.
- Mass is a physical quantity measured in kilograms.
- Temperature is a scalar quantity.
学习者例句
- Speed is a physical quantity.
- Mass is a type of quantity in science.
- Temperature is a simple quantity.
名词
B1
quantity
3
unspecified amount
Some amount of something, but we don't know exactly how much.
用法模式：
a quantity of [something]
近义词
some amount (Very general and informal way to say an unspecified amount.)
搭配
unknown quantity
主题
daily life
|core_vocabulary
例句
- The police found a quantity of stolen goods.
- There was a quantity of dust on the shelves.
- We have a quantity of data to analyze before making a decision.
学习者例句
- I saw a quantity of books on the table.
- There is a quantity of sand here.
- They found a quantity of old coins.
语法
词典原形
quantity
IPA
GB/kwˈɔntɪti/
US/kwˈɔntɪti/
音节与重音
quant - ity （2 个音节）
Stress on 1st syllable (quant)
词形变化
Noun
- Base: quantity
- Plural: quantities, quantity
词族
Forms
quantities
noun
Core family
quantify
verb B2
quantitative
adjective C1
Related words
Negative and opposite forms
unquantifiable
adjective
Advanced or less common
相关表达
quantity over quality
1/kwˈɔntɪti ˈoʊvɚ kwˈɑləti/
fixed phrase
preference for more rather than better
Choosing to have more things instead of better things.
例句
- The factory seems to value quantity over quality in its production.
- In writing, it's better to avoid choosing quantity over quality.
unknown quantity
1/ʌnnˈoʊn kwˈɔntɪti/
fixed phrase
Unpredictable due to being unfamiliar
A person or thing you do not know much about, so you cannot predict what they will do.
例句
- The new player is an unknown quantity for the team.
- The new player is an unknown quantity to the team.
- In politics, she is still an unknown quantity.
- Her abilities are still an unknown quantity in this field.