nu.mer.a.tor
n.(名词)Mathematics 【数学】 The expression written above the line in a common fraction to indicate the number of parts of the whole.分子:写在分数的分数线上的表达式,表示占整体中的比例An expression to be divided by another; a dividend.被除数:被另一个数除的表达式;被除数One that numbers; an enumerator.计算者;计数器