vary的名词形式为variability。vary作为动词，中文翻译为“相异”、“不同”、“变化”、“变更”、“改变”；而variability作为名词形式，中文含义有“可变性”、“易变性”、“反复不定”。
一、vary的基本释义及用法介绍
vary作为动词，中文含义有(大小、形状等)相异，不同，有别;(根据情况)变化，改变;变更;(略做)改变。
例句；The students' work varies considerably in quality.
学生作业的质量甚是参差不齐。
The menu varies with the season.
菜单随季节而变动。
The job enables me to vary the hours I work.
这项工作使我能够调整工作时间。
As they're handmade, each one varies slightly...
由于它们是手工制作的，彼此都会有些微小的差异。
The cost of the alcohol duty varies according to the amount of wine in the bottle...
酒税税额随酒瓶容量的大小而有所不同。
People's reaction to the film has varied greatly.
人们对这部影片的反应大不一样。
二、variability的基本释义及双语例句
variability作为名词，含义有可变性;易变性;反复不定。
例句：The potassium content of foodstuffs is very variable...
食物中钾的含量差别很大。
And for that matter, there could still be variability.
虽然如此，这里仍然可以存在可变性。
The problem of inpidual variability has always been difficult.
个体间的差异问题总是很难办。
In addition it offers new facilities for storing genetic variability.
此外，它为贮存遗传变性提供新的可能。
It is often difficult to find a proper equilibrium between stability and variability.
在稳定性和变化性之间通常很难找到适当的平衡。
You may want a little variability in the way your query applies a parameter.
您可能希望查询应用参数的方式稍有不同。
