fractions
n. [数]分数；小部分，片段（fraction 的复数）
例句
She taught me fractions and counting.
他教我分数和计算。
《柯林斯英汉双解大词典》
The students had a grasp of decimals, percentages and fractions.
学生们掌握了小数、百分数和分数。
He was so clever; he could reckon fractions in his head.
他是那么聪明；他能心算分数。
