Something that is variable changes quite often, and there usually seems to be no fixed pattern to these changes.
例句
The potassium content of foodstuffs is very variable...食物中钾的含量差别很大。There was a bit of a wind and it was blowing onshore, variable, but quite strong.有一阵风朝岸上吹来,风向变化不定,但风力很强。
N-COUNT
(质量、数量、规模等)可变因素
A variable is a factor that can change in quality, quantity, or size, which you have to take into account in a situation.
例句
Decisions could be made on the basis of price, delivery dates, after-sales service or any other variable...购买决定可能会基于价格、送货日期、售后服务以及其他可变因素。Other variables in making forecasts for the industry include the weather and the general economic climate.对该产业进行预测时还要考虑天气和宏观经济环境等其他不确定因素。
N-COUNT
变量;变项;变元
A variable is a quantity that can have any one of a set of values.
例句
It is conventional to place the independent variable on the right-hand side of an equation.普遍做法是把自变量放在等式的右边。
英汉词典释义
n.
变化性;易变;变化的倾向
variability among different health authorities不同卫生机构的不同标准variability in crop yields庄稼产量的浮动性There is considerable variability in all the test scores.所有这些考查成绩都有很大变化。
英英词典释义
Noun
1. the quality of being subject to variation
2. a quality of variability and lack of uniformity