Word · CEFR A1 · Frequency #1671
sum
总和;总数
A quantity obtained by adding numbers together; the total.
- 1.
A quantity obtained by addition or aggregation.
通过加法或聚合得到的量
- 2.
The basic unit of money in Kyrgyzstan.
吉尔吉斯斯坦的基本货币单位
- 3.
A type of administrative district used in China, Mongolia, and Russia. In Mongolia, a sum is smaller than a province. In China, it is only used in Inner Mongolia, where it is equivalent to a township.
一种行政区域,用于中国、蒙古和俄罗斯。在蒙古,苏木小于省;在中国,仅用于内蒙古,相当于乡
- 4.
a quantity of money
一笔钱
- 5.
An arithmetic computation, especially one posed to a student as an exercise (not necessarily limited to addition).
算术运算,尤指给学生布置的练习题(不限于加法)
- 6.
The basic unit of money in Uzbekistan.
乌兹别克斯坦的基本货币单位
- 7.
a quantity obtained by the addition of a group of numbers
通过一组数字相加得到的数量
- 8.
A quantity of money.
一笔钱
- 9.
the final aggregate
最终总和
- 10.
A summary; the principal points or thoughts when viewed together; the substance.
总结;要点或主旨;实质
- 11.
A central idea or point; gist.
中心思想;要点
金额;款项;算术题;索姆(吉尔吉斯斯坦);苏姆(乌兹别克斯坦);苏木(蒙古国省级以下、中国内蒙古乡级行政区划);要点;主旨;概要
In use
The sum of 15 and 30 is 45.
Add the two numbers and tell me the sum.
The sum of the interior angles of a triangle is 180 degrees.
he borrowed a large sum
the sum of all our troubles did not equal the misery they suffered
a sum of money
sum 指金额,常与 of 连用。
He paid a large sum of money for the painting.
他为这幅画支付了一大笔钱。
the sum of [numbers]
表示数字相加的总和。
The sum of 5 and 7 is 12.
5和7的和是12。
Connections
Collocations
- a large sum
- 一大笔钱
- He inherited a large sum of money.他继承了一大笔钱。
- the sum total
- 总和;总计
- The sum total of her achievements is impressive.她的成就总和令人印象深刻。
- a sum of money
- 一笔钱
- She withdrew a sum of money from the bank.她从银行取了一笔钱。
- in sum
- 总之;简而言之
- In sum, the project was a success.总之,这个项目是成功的。
- the sum of
- ……的总和
- The sum of 2 and 3 is 5.2和3的总和是5。
Idioms & figurative uses
Learner notes
Memory Tip
Sum(总和)音似'some'(一些),一些数相加就是总和。
Context & Register
作为名词,'sum' 可指总额(金钱)、总和(数字)或要点(精华)。使用中性语域,常见于学术、金融和日常讨论。
Pronunciation & Spelling
All listed words (some, gum, hum, drum, plum, thumb) rhyme with sum because they share the /ʌm/ ending. Beware of lookalikes like 'sun' (/sʌn/), which ends with /n/ and does not rhyme.
High-value vocabulary
该词属于 Oxford 核心词汇,值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 3,建议结合例句记忆,而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.