单词 | sum |
释义 | 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。 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) 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 习惯用语a tidy sum1.■相当巨大的款项do [work, make] sums [a sum]1.■计算, 做算术题in sum1.■大体上, 一言以蔽之, 总之the sum (and substance) of...1.■要点, 要义, 精义the sum of things1.■(最高的)公共利益; 宇宙sum total1.■总数, 总计sum up1.■总计; 概括; 总结; 判断; 估量 特殊用法alternating sum1.■交错和approximate sum1.■概算额binary sum1.■模2和capital sum1.■本金cardinal sum1.■基数和character sums1.■特征(标)和column sum of a matrix1.■矩阵的列和control sum1.■检核和deposited sum1.■存入银行的金额, 存款discrete direct sum1.■离散直和exponential sum1.■指数和, 三角和external[internal] direct sum1.■外[内]直和grand sum1.■总和gross sum1.■总额guarantee sum1.■保证金额initial lump sum1.■初付费lattice sums1.■格子和log-exponential sum1.■对数-指数和lump sum1.■整数金额, 总结算, 总额magic sum1.■幻和multiple sum1.■多重和ordered sum1.■有序和ordinal sum1.■序数和orthogonal parity check sum1.■正交均等核对和penal sum1.■违约罚金principal sum1.■本金principal sum of the bill of exchange1.■汇票所载的金额quasi-directsum1.■拟直和recognized sum1.■识别总数round sum1.■可观的一笔款, 巨款row sum of a matrix1.■矩阵的行和semidirect sum1.■半直和tender sum1.■包价, 发包价格tensor sum1.■张量和topological (direct) sum1.■拓扑(直)和total sum1.■总金额weight sum1.■加权和weighted residual sum1.■加权剩余和sum of credits [debits]1.■贷[借]方总额sum of infinite series1.■【数】无穷级数的和sum of products1.■乘积(之)和, 积和sum of ranks1.■秩次和sum of series1.■级数的和[值]sum of squares of deviations1.■离差平方和sum of states1.■【统】状态和 |
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