| 释义 |
[/ˈveərɪəbl; ˋvɛrɪəbl/] adj 用法:
1 varying; changeable 变化的; 可变的; 易变的:
variable pressure, rainfall, weather, speed 变化不定的压力、 降雨量、 天气、 速度 *
Winds are mainly light and variable. 风力多微弱, 风向多变. *
His mood/temper is variable. 他的情绪[脾气]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. 用法:
2 (astronomy 天) (of a star) periodically varying in brightness （指星）亮度周期变化的. variable 2
n (often pl 常作复数) variable thing or quantity 可变的事物; 可变的量:
With so many variables, the exact cost is difficult to estimate. 由於有许多可变因素, 很难准确地估算出成本. *
Temperature was a variablein the experiment. 在该实验中温度是一个变量. Cf 参看 constant n. |