求和的，做加法的；
v.合计( sum的现在分词 )；总结，归纳；总计，计算…的总数（常与 up 连用）；集中（常与 up 连用）
"he borrowed a large sum"
同义词：sum of moneyamountamount of money
a quantity obtained by the addition of a group of numbers同义词：amounttotal
the final aggregate"the sum of all our troubles did not equal the misery they suffered"
同义词：summationsum total
the choicest or most essential or most vital part of some idea or experience同义词：kernelsubstancecorecenteressencegistheartheart and soulinwardnessmarrowmeatnubpithnitty-gritty
the whole amount同义词：totaltotalityaggregate
the basic unit of money in Uzbekistana set containing all and only the members of two or more given sets同义词：unionjoin
v.be a summary of"The abstract summarizes the main ideas in the paper"
同义词：summarizesummarisesum up
determine the sum of同义词：totaltottot upsum upsummatetote upaddadd togethertallyadd up
summing up总结