sum rule [數(shù)] 求和規(guī)則sum of squares 平方和；統(tǒng)計(jì)表sum of money 款項(xiàng)sum of infinite series [數(shù)學(xué)]無(wú)窮級(jí)數(shù)的和sum it up 概括 總結(jié)sum invested [經(jīng)濟(jì)學(xué)]投資款項(xiàng)sum insured 保險(xiǎn)金額；投保金額sum (n.) sum n. 金額；總數(shù) vi. 概括 vt. 總結(jié)；合計(jì) n. (Sum)人名；(英)薩姆；(柬)孫；(俄、德、捷)蘇姆；(越)森sulus 腦溝sultry weather 悶熱天氣sultry (adj.) sultry adj.悶熱的；風(fēng)騷的；淫蕩的；易怒的；激烈的sultropan 磺丙阿托品sultriness n.悶熱；焰熱；縱情聲色sultrily adv.悶熱地；酷熱地；粗暴地sultriest adj.悶熱的；風(fēng)騷的；淫蕩的；易怒的；激烈的sultrier adj.悶熱的；風(fēng)騷的；淫蕩的；易怒的；激烈的sultine 亞磺內(nèi)酯sultim 磺內(nèi)酰胺互變異構(gòu)體