知识扩展
词语辨析
variable,variegated,various。
这三个词都可以表示“多样的”。它们的区别是:various的意思是“各种各样的”;variable指“不稳定的,易变的,时好时坏的,不同种类的”;variegated的意思是“杂色的,多样化的”,多用来修饰不同颜色的东西,如花草,树木等。例如:His mood is variable.他的情绪反复无常。This specimen is richly variegated in color.这件标本上有很多颜色。
词源词缀
来自vary,改变,多变。-vari-变化+-able形容词词尾,被动意义=来自vary,改变,多变。
词源考究
来自vary,改变,多变。
variable 记忆方法
variable相关的词根或词缀是:
vari
variable易变的adj.
vari 变化 + able 能…的 → 易变的
中文词源:
variable 多变的
来自vary,改变,多变。
variable
精选例句
1、 The potassium content of foodstuffs is very variable.
食品中钾的含量是多变的。
2、 The temperature remained constant while pressure was a variable in the experiment.
做这实验时温度保持不变,但压力可变。
1、 E) First, they explain that if a given variable is playing a role in affecting wellbeing, then we should expect any change in that variable to correlate with the observed changes in wellbeing.
首先,他们解释说,如果一个给定的变量在影响幸福感方面发挥作用,那么我们应该期望该变量的任何变化都与观察到的幸福感变化相关。
1、 Even though there is plenty of evidence that the quality of the teachers is the most important variable, teachers’ unions have fought against getting rid of bad ones and promoting good ones.
尽管有大量证据表明教师的素质是最重要的变量,但教师工会一直反对解雇糟糕的教师,提拔优秀的教师。
常见考点例句:
- Another variable is the increasing number of student nationalities .
- 另一个变量是生源地的不断增加。
- The obvious answer is a variable size display .
- 一个显而易见的解决方案就是可变大小的显示屏。
- Payment systems are unfathomably complex and highly variable .
- 支付系统复杂到让人难以理解且充满变数。
- Monetary policy affects the economy with long and variable lags .
- 货币政策对经济的影响存在长期多变的滞后效应。
- What values does the local variable r take on during the calculation ?
- 在计算过程中局部变量r保持的是什么值?