单词：sum
vt. 总计, 概括
vi. 合计
[计] 系统实用程序和维护
n. a quantity obtained by the addition of a group of numbers
n. the final aggregate
n. the whole amount
考试类型：[四级/六级/考研/托福]
sum的用法和样例：
例句
- I had to spend a large sum of money to get it back.我得花一大笔钱才把它弄回来。
- I save a nice little sum out of my wages each week.我从每周的工资中节省一笔可观的金额。
- The sum of 5 and 3 is 8.五加三的总和是八。
- Is that the sum of what you've done in the last two years?这就是你最近两年中完成的全部数量吗？
- What I just said is the sum of the book.我刚才所说的是这本书的要点。
- We can sum up the main point of the lesson in three sentences.我们可以用三句话来概括本课要点。
- So, to sum up, we need to concentrate on staff training.概括地说，我们需要集中精力进行职工培训。
- The last section sums up all the arguments on either side.最后一部分总结了双方的全部论点。
- Please sum up what you said just now.请把你刚才说的总结一下。
- Now, I sum them up in 3 main points.下面，我将其归纳为三点。
- These instances sum up to several dozen.这些例子总计达数十个。
常见句型
- The expenses came to an enormous sum.开支总数巨大。
- The sum will be increased by fifteen percent.金额将要增加百分之15。
- She is better at sums than I am.她的算术比我好。
- Contributions summed into several thousand yuan .捐款总数达数千元。
- The accountant summed the cost of the machine.会计师计算了机器的成本。
常用短语
- 对…迅速作出判断或鉴定 judge (sb or sth) quicklyShe quickly summed him up.她很快就对他的人品作出评论。
词汇搭配
- sum a column of figures算出一串数字的总和
- sum the cost of the machine计算机器的成本
- sum up是…的总和,总数; 总结,概括; 对…迅速作出判断或鉴定
- sum up one's assets计算某人的资产
- sum up sb's character in a term用一个词概括某人的性格
- sum up one's experience总结某人的经验
- sum into总数达到
- sum to共计
经典引文
They..hope to raise the sum of s500.
出自：M. BeerbohmHe pressed on me a sum far in excess of what I had spent.
出自：F. KingHis statues of Lenin..and other great ones brought in large sums of money.
出自：S. RosenbergHe summed data of six previous studies.
出自：Nature
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