名词
中文翻译：变量
同义词：
['variation', 'variable factor']
例句：
-
1. The temperature varies greatly throughout the day.
温度在整个一天内变化很大。
-
2. The amountof rainfall is a variable in this region.
该地区降雨量是一个可变因素。
-
3. Therate of change in the population is avariable that can affect economic growth.
人口增长率是一个可变因素，可以影响经济增长。