summern.夏天;夏季adj.夏季的v.度过夏天
summaryn.摘要;总结adj.简略的;概要的;即决的
summational总合的
summation law相加性定律,叠加定律
summation loop综合环节
summation time综合时间
summation sign总和符号,累加符号,连加号
summation wave[医] [收缩]波总和
summation beat相加搏动
summation curve累计曲线
"the sum of all our troubles did not equal the misery they suffered"
"the summation of four and three gives seven"
"four plus three equals seven"