sum

sumsumD.J.:[sʌm]K.K.:[sʌm]n.1.■总数, 总和The expenses came to an enormous sum.开支总数巨大。2.■金额The sum will be increased by fifteen per cent.金额将要增加15%。3.■算术She is better at sums than I am.她的算术比我好。vt. & vi.1.■合计2.■总结, 归纳Contributions summed into several thousand dollars.捐款总数达数千美元。

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sum[sʌm]n.1.■合计，总计，总数2.■总额，金额3.■一笔款子4.■待加的数字， 一列数字5.■算术题(的解答)6.■[用复数]算术7.■【数学】8.■和，总数9.■并集 [亦作 union,join]10.■要点，概要11.■摘要；简略12.■【逻辑学】选言命题vt.1.■合计，总计，计算…的总数(常与 up 连用)：The total costs last month summed up to ￡ 1,300.上个月的总费用高达1 300镑。2.■概括；总结，归纳：Now, I sum them up in 3 main points.下面，我将其归纳为三点。3.■集中(常与 up 连用)：to sum up the superior force in a point集中优势兵力于一点vi.1.■共计(常与 to，into 连用)：The number of the persons who travel by air sums to the millions in summer.在夏季乘飞机旅行的人数已达数百万人次。近义词aggregateamounttotal(be) greater (或 more) than the sum of比…的总和还多(或更强大)do (one's) sums做算术题清醒的思考，根据事实做出合乎逻辑的结论do the sums计算盈亏in sum总之，总而言之简言之，一言以蔽之the sum and substance要旨the sum of things万物，宇宙社会福利to sum up总之 [用作插入语]变形vt.summedsumming

sumsum[sʌm]n.1.■总数[计, 额];【数】和2.■[the sum]概略, 要点3.■金额, 款项4.■算术(题), 运算5.■[诗]绝顶, 顶点, 极点the sum of this book这本书的要点a good sum可观的金额be good at sums长于算术The sum of 5 and 4 is 9.五加四的和是九。He paid a large sum for the house.他出一笔巨款买了这所房子。

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词性变化sumvt.1.■总计, 合计2.■概略, 概述sum (up) the costs of sth.计算某物的总成本费sum sb. up看清某人的性格sumvi.1.■总计(into, to), 概括要点 (up)

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继承用法sum-up[ˈsʌmʌp]n.1.■总结sumless[ˈsʌmlɪs]adj.1.■无数的, 无限的, 不可估量的