单词：variable
a. 可变的, 不定的, 易变的, 变量的
[计] 变量
n. a quantity that can assume any of a set of values
n. a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity
a. liable to or capable of change
考试类型：[四级/六级/考研/托福/IELTS]
variable的用法和样例：
例句
- Prices are variable according to the rate of exchange.物价会随汇率而变动。
- His mood is as variable as the weather.他的情绪如天气般反覆无常。
- The quality of the hotel food is distinctly variable.这个旅馆的饭菜有时很好有时很差.
- The temperature is a variable in the experiment.在该实验中温度是个变量。
- With so many variables, the exact cost is difficult to estimate.由于有许多可变因素,很难准确地估算出成本。
- All these variables can affect a student's performance.所有这些变数都会影响学生的成绩。
常见句型
- The variable weather is a great trial to me.这种多变的天气真是让我受不了。
- He has a variable temper.他的脾气反复无常。
- The speed of the windscreen wipers is variable.汽车挡风玻璃上雨刷的速度是可变的。
- Our team's performance this year has been variable.我们队今年成绩很不稳定。
词汇搭配
- random variable随机变量,无规变数...
- dependent variable因变量
- independent variable自变数,自变量...
- variable-contrast paper可变反差照相纸...
- variable flow异形流动
- controlled variable控制量,可控变量,可...
- variable motion变速运动
- exogenous variable外生变量
- boolean variable布尔变量,布尔变数,...
- variable area可变截面的
- variable bias可变偏压
- real variable实变量
- variable radix可变基数
- variable range变量范围
- variable speed能变速的
- variable error可变误差
- manipulated variable操纵量
- complex variable复变量
- variable load变动负荷
- variable cost可变成本
经典引文
His general health remained variable with occasional febrile states.
出自：J. D. Sutherland
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