fraction

/ˈfrækʃən/

a component of a mixture that has been separated by a fractional process

中文释义：分数；小部分；馏分

Only a small fraction of the population supports the new policy according to the survey.

根据调查，只有一小部分人口支持这项新政策。

In chemistry, a fraction is obtained by distilling a mixture at different temperatures.

在化学中，馏分是通过在不同温度下蒸馏混合物得到的。