adj.可变的；易变的
n.变量；易变的东西
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.
用作名词 (n.)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。
可变频率
超变量
adj.多变量的
