variable

"Variable"的词根是"varia"，含义是“变化”，源自拉丁语。

adj. 变量的；可变的；易变的，多变的；变异的，[生物] 畸变的 n. [数] 变量；可变物，可变因素 [ 复数 variables 比较级 more variable 最高级 most variable ]

The drill has variable speed control.

这钻机有变速控制。

The potassium content of foodstuffs is very variable.

食品中钾的含量是多变的。

The temperature remained constant while pressure was a variable in the experiment.

做这实验时温度保持不变，但压力可变。

记住"Variable"的最好方法是将它与你生活中的事物或情况联系起来，比如你可以联想到天气，根据季节和气候变化，常说天气是变数(variable)。"Variable"这个词在14世纪从拉丁语进入英语，原意是“能变化的”或“可能变化的”。

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Part of soy’s success is that the crop can be grown easily and cheaplyin variable conditions.And once they’re grown,

and therefore make learning the constantand time variable,then we break the tyranny of time.

We saw earlier that HIVis highly variable,that a broad neutralizing antibody

is fixed,and learning is variable.This really makes it problematic to drive down cost,

My hope is that timebecomes even more variable.So let's build a global skills bank,

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