- sum
 - [sʌm]
 - n. 金额;总数
vi. 概括
vt. 总结;合计 
参考例子
           - 1.The total costs last month summed up to £ 1,300.
 - 上个月的总费用高达1 300镑。
 
- 2.Her supposed wealth is a very small sum.
 - 她可谓的财产只是很小的一笔钱。
 
- 3.To sum up, success results from hard work.
 - 总而言之,成功是艰苦努力的结果。
 
英文解释
           - n.
 - 1.a quantity of money
 - 2.a quantity obtained by the addition of a group of numbers
 - 3.the final aggregate
 - 4.the choicest or most essential or most vital part of some idea or experience
 - 5.the whole amount
 - 6.the basic unit of money in Uzbekistan
 - 7.a set containing all and only the members of two or more given sets
 
- v.
 - 1.be a summary of
 - 2.determine the sum of
 
网络释义
               - SUM
 - 总输出编组开关; 和,总和,总数; 总计,总额; 总数;
 
- dim sum
 - 点心; 中式点心; 广式早茶; 港式点心;
 
- in sum
 - 总而言之; 大体上, 总之; 总言之; 简而言之;
 
- vector sum
 - 向量和; 矢量和; 矢和; 矢量合;
 
- contingency sum
 - 应急费用; 意外开支准备金; 额外预算费; 意外费用总额;