| 释义 |
sum[sʌm]n. 1 总数;总和;【数】和;并,并集:the sum of human knowledge人类的全部知识The sum of five and four is nine.5加4的和是9. 2 款项;金额:The sales amount to a sum of two hundred million yuan.销售总额达2亿元.a good(或round,considerable) sum可观的金额 3 待加的数字;一列数字;算术题(的运算);[sums]算术:do a rapid sum in one's head敏捷地心算do sums做算术be good at sums算术很好 4 概要;要点:the sum of this book这本书的要点the sum (and substance) of sb.'s opinions某人意见的主要内容 5 顶点,极点
(summed;summing)vt. 1 计算…的总数:sum a column of figures算出一列数字的总和 2 总结;概括;概述
vi.共计(to,into):Contributions sumed into several thousand yuan.捐款总数达数千元. |