短語(yǔ)詞組用作動(dòng)詞 (v.)～+名詞sum a column of figures 算出一串?dāng)?shù)字的總和sum the cost of the machine 計(jì)算機(jī)器的成本～+副詞sum up 是…的總和,總數(shù); 總結(jié),概括; 對(duì)…迅速作出判斷或鑒定sum up one 's experience 總結(jié)某人的經(jīng)驗(yàn)sum up sb 's character in a term 用一個(gè)詞概括某人的性格～+介詞sum into 總數(shù)達(dá)到sum to 共計(jì)短語(yǔ) 返回 sums