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
-r(r)hage
activated silica(reactive silica)
Albers projection
alnico magnetic material
Auber, Daniel Francois EsPrit
badly-damaged
be it so
beavertail aerial
boron thermopile
Cassini oval
Christmas cookie
collapsible core
crescentically
cylinder valve cover
deoxygenations
dispack
dispersers
do donuts
donarite
dymbe
East Carleton
electrical conductivity transitions
epulis angiomatosa
faiditus xiphias
fernowl
field amplifier
fisher's bed
fissurae ligamenti venosi
fixed ratic pantograph
flat-flamed burner
flint polishing strip
floating point truncation
Follicormon
free fall of line standard
fum
fuselage aft right side
grassland reseeder
head to
hog gum
hornowls
hulon
i-drahen
immobile liquid
light tender
lindsayana
lumber load line
luminescent efficiency
mariche
meer
meliflua
milling gear tooth
minimum deposit premium
mishap
mo'-fo',mo-fo
monoblock steel wheel
mystily
oligotrimer
orientation of flank
orthogonal cut
Pan de Azucar I.
parallel laid wire rope
pharyngospasmodic
phylacter
Piai, Tg.
pit-crew
Poa altaica
pole arm
polyamide-imide composite
Potential peak reduction
pseudospiridentopsis horrida(mitt.)fleisch
quality of products
rectification of projection
rescue
retail trading
sandwich laminate
scalable linear tape
Schonungen
securities listing application
semiclosure
single-reed instruments
spigot die
stagnatile
supercows
support platform
sweated environment
technical data type
tentral
tesis
timber underframe
torsion-pendulum method
Tred.
true clover
tryna
tube nucleus
valeramides
value-added process
vertical magnetism
vinegar cure
weatherwomen
yard arm group
zagni