variable
A variable is an element, feature, or factor that is liable to vary or change, especially in the context of a scientific experiment or mathematical calculation. It represents a quantity or characteristic that can have different values depending on the circumstances.
例句
3 / 5The weather is a major variable when planning an outdoor wedding.
Changing weather conditions are a significant factor to consider for an outdoor event.
The study identifies socio-economic status as a key variable in educational outcomes.
The research highlights social and economic position as a primary factor affecting school results.
With my luck, there's always some random variable that ruins my plans.
I feel like an unexpected factor always comes up and spoils what I have planned.
词族
记忆技巧
Think of the word 'vary' (to change) + 'able' (capable of). A variable is something that is 'able to vary.'
快速测验
In the psychology experiment, the amount of sleep was the independent ________ that researchers monitored.
正确！
正确答案是： variable
例句
The weather is a major variable when planning an outdoor wedding.
everydayChanging weather conditions are a significant factor to consider for an outdoor event.
The study identifies socio-economic status as a key variable in educational outcomes.
formalThe research highlights social and economic position as a primary factor affecting school results.
With my luck, there's always some random variable that ruins my plans.
informalI feel like an unexpected factor always comes up and spoils what I have planned.
The researcher manipulated the independent variable to observe changes in the dependent variable.
academicThe scientist changed one specific factor to see how it influenced the other factor being measured.
Fluctuating interest rates are a critical variable in our long-term financial projections.
businessThe fact that interest rates go up and down is an important factor in our future budget plans.
词族
常见搭配
常用短语
hidden variable
a factor that influences a result but is not immediately obvious
at variance with
in a state of disagreement or inconsistency with something else
control the variables
to keep certain factors constant to ensure a fair test
容易混淆的词
A variant is a specific version or form of something (like a virus variant), while a variable is a factor that can change.
Variation is the act or process of changing or the degree of change, whereas a variable is the thing that changes.
使用说明
In academic and scientific contexts, 'variable' is used precisely to denote measurable data points. In general English, it refers to any unpredictable element that might affect an outcome.
常见错误
Learners often use the noun 'variation' when they should use 'variable' to describe a factor in an experiment. Remember that a variable is a 'thing' that varies.
记忆技巧
Think of the word 'vary' (to change) + 'able' (capable of). A variable is something that is 'able to vary.'
词源
From Latin 'variabilis', derived from 'variare' meaning to change or make diverse.
语法模式
文化背景
In the technology and programming world, a 'variable' is a fundamental concept used to store data that can be changed during program execution.
快速测验
In the psychology experiment, the amount of sleep was the independent ________ that researchers monitored.
正确！
正确答案是： variable
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