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
abomasus
abuse of the age
active immuno therapy
advance in living standard
African-American music
alarm mechanism
anchor is a cock bill
anteriour
asymptotically stable in the large
Audubon County
azhar
ballast coefficient
bifacial leaf
Bnms's glucose medium
bodily image
boosing bar
cabell, James Branch
Callicarpa dentosa
cantilenas
cavity die
centrophorid
ceramic carrier
claude bernards
compliance audit
deaeration plant
defects of concrete
dispeeds
double-anonymous procedures
Duhrssen's incisions
dysplastic
easy temperament
eldermother
endgame
enostotic
entourage of building
exchange of contracts
first - person shooter
five unit
flask pin
Forest-devastation
fpds
froads
fuel element
geerlings
Golfe du Lion
goods set aside on behalf of the buyer
grit blasting sandblasting
grolsch
has no option but to
hindu calendars
instrument pen
integrated tug barge
interior liablities
internal damping
jukens
kantorowicz
kefaya
Kemaliye
khimars
Liguliflorae
Limnocottus
locomotive apparatus
lysigenetic
Maktab al-Khidmat
malcondition
marattiaceaes
master screw
mesocalanus tenuicornis
Milroy's disease
mixing net
multiple spindle automatic machine
Ndioum Guènt
nipple ring
non-resurging
notes book
partridge-berry
pilot operation procedure
portal rigid frame
proest
quinata
qword
rhamnad
root transformation
scale pan arrester
sensibilin
shipping commission
slave terminal
Staringite
structurally unstable system
the fast and the furious
though-whether
transposition board
Turing type computer
underground structure
unshirkable
vasculotropin
virginia pines
voltage compensation
water scenes of garden
watertight motor
weld on bottom
wool stearin