one-quarter

About one-quarter of the students walk to school.

用法提示：此处 one-quarter 作名词性数词，表示四分之一。

She spent one-quarter of her salary on rent.

用法提示：one-quarter 是分数，作宾语修饰 of 后的名词。

The recipe calls for one-quarter cup of sugar.

用法提示：one-quarter 作定语，修饰 cup。