n. 算术题;总数(sum的复数形式)
n a quantity of money
n a quantity obtained by the addition of a group of numbers
n the final aggregate
n the choicest or most essential or most vital part of some idea or experience
n the whole amount
n a set containing all and only the members of two or more given sets
v be a summary of
v determine the sum of

sum的用法和样例:

例句

用作名词(n.)
  1. I had to spend a large sum of money to get it back.我得花一大笔钱才把它弄回来。
  2. I save a nice little sum out of my wages each week.我从每周的工资中节省一笔可观的金额。
  3. The sum of 5 and 3 is 8.五加三的总和是八。
  4. Is that the sum of what you've done in the last two years?这就是你最近两年中完成的全部数量吗?
  5. What I just said is the sum of the book.我刚才所说的是这本书的要点。
用作动词(v.)
  1. We can sum up the main point of the lesson in three sentences.我们可以用三句话来概括本课要点。
  2. So, to sum up, we need to concentrate on staff training.概括地说,我们需要集中精力进行职工培训。
  3. The last section sums up all the arguments on either side.最后一部分总结了双方的全部论点。
  4. Please sum up what you said just now.请把你刚才说的总结一下。
  5. Now, I sum them up in 3 main points.下面,我将其归纳为三点。
  6. These instances sum up to several dozen.这些例子总计达数十个。

常见句型

用作名词(n.)
  1. The expenses came to an enormous sum.开支总数巨大。
  2. The sum will be increased by fifteen percent.金额将要增加百分之15。
  3. She is better at sums than I am.她的算术比我好。
用作动词(v.)
用作不及物动词S+~(+A)
  1. Contributions summed into several thousand yuan .捐款总数达数千元。
用作及物动词S+~+ n./pron.
  1. The accountant summed the cost of the machine.会计师计算了机器的成本。

常用短语

用作动词(v.)
sum up (v.+adv.)
    对…迅速作出判断或鉴定 judge (sb or sth) quicklyShe quickly summed him up.她很快就对他的人品作出评论。

词汇搭配

用作动词 (v.)
~+名词
  • sum a column of figures算出一串数字的总和
  • sum the cost of the machine计算机器的成本
~+副词
  • sum up是…的总和,总数; 总结,概括; 对…迅速作出判断或鉴定
  • sum up one's assets计算某人的资产
  • sum up sb's character in a term用一个词概括某人的性格
  • sum up one's experience总结某人的经验
~+介词
  • sum into总数达到
  • sum to共计

经典引文

  • They..hope to raise the sum of s500.

    出自:M. Beerbohm
  • He pressed on me a sum far in excess of what I had spent.

    出自:F. King
  • His statues of Lenin..and other great ones brought in large sums of money.

    出自:S. Rosenberg
  • He summed data of six previous studies.

    出自:Nature
【近义词】
【反义词】

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学英语单词
aggerate
Air Pollution Code
albedo component
allelomorphs
amnesic aphasias
belly-lands
beta abstraction
bioclimates
brake intermediate shaft
branchpoint operation
brushfire
Byvalki
capillary hyperpermeability
Chietla
chromates
clip on type ammeter
commissary in charge of studies
conference-table
contract of loan for use
convergent statement
counting of bacteria
coureur de bois
cylindrical helix helix
debit collector
defending team
Dermacentor nuttalli
die head chaser
diepoxyneoxanthin
diffuser filling
direct access storage device
disciplinary probation
ectogony (waller 1917)
english-only
Erlensee
estate by purchase
Fall River County
feed water feeling the bottom
fixed tube sheet heat exchanger
fuel tank drain cover
fuzzy proposition
granule ripple
Holafrine
holding load
hospital barge
idle labour
indicator maintaining plate distance piece
indicators of scientific growth
Internet Activities Board
ionization sterilization machine
isosacculatal
liberty
low population zone
maximum stress
medical fitness
mineralisation
Molokovskiy Rayon
Montenotte
Munkflohögen
muscats
muscidian
Nintendocore
normal xrf operations
one and the same
Ozone precursors
passenger and crew escape
paulownias
photofluorographic
plain dried food
Poisson bright spot
polyxene
printed inductance
priority target
process peripherals
progressive water price with block rates
Prunus zippeliana
radial well
radio communication net
rediagonalizing
relational network
sapronosis
separation wall
show someone in a bad light
significativo
slash and burn agriculture
small-scale problem
stanzas
station-pointer
store-and-forward lockup
Streptomyces willmorei
stylin
sublethal level
symbol freight train
taper gauge
theogonism
to fall
troopials
two-level laser
updarted
waveform relaxation method
working data file
yttroceberyite