sum
音標發(fā)音
- 英式音標 [s?m]
- 美式音標 [s?m]
- 國際音標 [s?m]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- n. 金額；總數(shù)
- vi. 概括
- vt. 總結；合計
- n. (Sum)人名；(英)薩姆；(柬)孫；(俄、德、捷)蘇姆；(越)森
詞源解說
- 直接源自古法語的summe，意為總量；最初源自拉丁語的summa，意為高位。
同根派生
- adj性質的同根詞
- sumless：無數(shù)的。
- n性質的同根詞
- summation：和；[生理]總和；合計。
- summarisation：綜述；概括。
- vi性質的同根詞
- summarize：作總結；作概括。
- vt性質的同根詞
- summarize：總結；概述。
- summarise：概括（等于summarize）；相加。
用法辨析
- sum作名詞是“算術,總和”的意思,轉化為動詞作“總結,合計”解,一般指為了對某一事物有個大概的了解而用數(shù)字等方式對其進行統(tǒng)計,從而得出結論,強調結果而不強調方法。
- sum可用作不及物動詞,也可用作及物動詞,常與up連用,表示合并成一新的整體以產(chǎn)生一種單一而有力的效果。
- sum的過去式和過去分詞均為summed。
v. (動詞)
英漢例句
- The expenses came to an enormous sum.
開支總數(shù)巨大。 - Contributions summed into several thousand yuan .
捐款總數(shù)達數(shù)千元。 - The accountant summed the cost of the machine.
會計師計算了機器的成本。
用作名詞 (n.)
用作動詞 (v.)
用作不及物動詞: S+～(+A)
用作及物動詞: S+～+ n./pron.
詞組短語
- sum a column of figures 算出一串數(shù)字的總和
- sum the cost of the machine 計算機器的成本
- sum up 總結；概述；計算…的總數(shù)
- sum up one 's experience 總結某人的經(jīng)驗
- sum up sb 's character in a term 用一個詞概括某人的性格
- sum into 總數(shù)達到
- sum to 共計
- dim sum （漢）點心
用作動詞 (v.)
～+名詞
～+副詞
～+介詞
短語
英英字典
- (AMOUNT OF MONEY) an amount of money
- (TOTAL) the whole number or amount when two or more numbers or amounts have been added together
- (CALCULATION) a calculation, especially a simple one, using such processes as adding, taking away, multiplying, or dividing
- A sum of money is an amount of money.
- In mathematics, the sum of two or more numbers is the number that is obtained when they are added together.
- The sum of something is all of it. You often use sum in this way to indicate that you are disappointed because the extent of something is rather small, or because it is not very good.
- A sum is a simple calculation in arithmetic.
- &rarrsee also lump sum
- the standard monetary unit of Uzbekistan, divided into 100 tiyin
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 和
- 總數(shù)
- 選言命題
- 總輸出編組開關
- 求和