kIW中文字网
nounkIW中文字网
一. the whole amountkIW中文字网
Synonym: totaltotalityaggregatekIW中文字网
二. a quantity obtained by the addition of a group of numberskIW中文字网
Synonym: amounttotalkIW中文字网
三. the choicest or most essential or most vital part of some idea or experiencekIW中文字网
e.g. the gist of the prosecutor's argument
the heart and soul of the Republican Party
the nub of the storykIW中文字网
Synonym: kernelsubstancecorecentercentreessencegistheartheart and soulinwardnessmarrowmeatnubpithnitty-grittykIW中文字网
四. the final aggregatekIW中文字网
e.g. the sum of all our troubles did not equal the misery they sufferedkIW中文字网
Synonym: summationsum totalkIW中文字网
五. a set containing all and only the members of two or more given setskIW中文字网
e.g. let C be the union of the sets A and BkIW中文字网
Synonym: unionjoinkIW中文字网
六. a quantity of moneykIW中文字网
e.g. he borrowed a large sum
the amount he had in cash was insufficientkIW中文字网
Synonym: sum of moneyamountamount of moneykIW中文字网
sum是什么意思kIW中文字网
verbkIW中文字网
一. determine the sum ofkIW中文字网
e.g. Add all the people in this town to those of the neighboring townkIW中文字网
Synonym: totaltottot upsum upsummatetote upaddadd togethertallyadd upkIW中文字网
二. be a summary ofkIW中文字网
e.g. The abstract summarizes the main ideas in the paperkIW中文字网
Synonym: summarizesummarisesum upkIW中文字网