1、 sum v.sm( sums; summed; summing ) 双解释义 vt.合计 give the total of vt. & vi.总结; 归纳 express briefly the chief points of what has been said 基本要点1.sum作名词是“算术,总和”的意思,转化为动词作“总结,合计”解,一般指为了对某一事物有个大概的了解而用数字等方式对其进行统计,从而得出结论,强调结果而不强调方法。2.sum可用作不及物动词,也可用作及物动词,常与up连用,表示合并成一新的整体以产生一种单一而有力的效果。3.sum的过去式和过去分词均为summed。
2、 词汇搭配 +名词 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 +副词 sum up是的总和,总数; 总结,概括; 对迅速作出判断或鉴定 sum up ones assets计算某人的资产 sum up sbs character in a term用一个词概括某人的性格 sum up ones experience总结某人的经验 +介词 sum into总数达到 sum to共计 常用短语sum up(v.+adv.)sum sb/sthup1.是的总和总数; 合计 make a total (of
3、an amount)These ten books sum up this years production.本年度共出版了十本书。They summed up the money they spent last month.他们合计出了他们上个月所花金额的总数。2.总结,概括 give a short account of (sth)Many members spoke at the meeting, and finally the chairman summed up the discussion.许多成员在会上发了言,最后主席总结了这次讨论。They sum up their exper
4、ience at the end of every year as a rule.他们通常在年终总结经验。You have only 100 words in which to sum up his speech.你只能用100字来概括他的讲话。I cant sum up his whole philosophy in one sentence.我无法用一句话来概括他的全部人生观。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。 用于be ed结构It can be summed up
5、in two words.这可以用三言两语概括起来。3.向陪审团概述案情 (of a judge in a court of law) give the main facts of the case to the juryWhen both sides have presented their case, the judge will sum it up.诉讼双方申述后,法官将向陪审团概述其要点。The judge has a responsibility to sum up the case as clearly and fairly as possible.法官负有尽可能清楚、公正地概述案
6、件的责任。4.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。He was able to sum us up in a very short time.他能够在短时间内得出对我们的看法。I cant sum him up, first he seems one kind of person and then another.我说不出他是什么样的人,他一会儿像这种人,一会儿又像另一种人。 句型例句用作不及物动词S+(+A)Contributions summed into several t
7、housand yuan.捐款总数达数千元。用作及物动词S+n./pron.The accountant summed the cost of the machine.会计师计算了机器的成本。 补充资料同义词n. aggregate, amount反义词n. part词源拉丁语summa(总数,金额) sum n.sm( sums ) 双解释义 S总数,总和total C金额amount of money P算术problem in arithmetic 句型例句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。