记忆方法
双解例句
小知识
When you determine the sum, you add up all the numbers. When you sum something up, you focus on all of its important points.
The word sum can also refer to a certain amount of money. A new car might cost you a huge sum of money. But if you sum or add up all its benefits, you might be able to justify spending so much. You calculate the total on a restaurant bill when you sum up the prices of everything you ordered. Sum doesn't have to refer strictly to numbers. When you sum something up, you're giving an overview or general statement about it.
实用短语
常用短语
单词用法
quantity:书面用词,指事物的总量和总数量,侧重大批计量,含准确测量的意味。
amount:普通用词,与quantity
近义,但强调整体,指把所有数量、重量及度量归并在一起得出的总数。
number:普通用词,指人或物的数目,强调数的概念。
sum:普通用词,指简单加算的结果。
in sum总而言之;大体上
sum of money款项
a large sum of一大笔;大量的
词根词缀
词根: sum
=add up,表示”总,加”
adj.
consummate 完全的,完美的con全部+sum总,加+mate→全部总和→完成的
n.
sum 总数,和;金额;算术题;要旨sum总,加→n.总数,和;金额;算术题;要旨 v.合计,总计
resume 个人简历re再,加强+sum总,加+e→再总计→摘要, 概略, 简历
v.
consummate 完成con全部+sum总,加+mate→全部总和→完成的
sum 合计,总计sum总,加→n.总数,和;金额;算术题;要旨 v.合计,总计
同义词辨析
这些名词均有”总数,总量”之意。
同义词
同根词
词根:sum
adj.sumless无数的
n.summation和;[生理] 总和;合计
summarisation综述;概括
vi.summarize作总结;作概括
vt.summarize总结;概述
summarise概括(等于summarize);相加