音标:[.kɒnsәn'treiʃәn] ; 柯林斯词典等级:3 级; 牛津三千核心词汇;
n. 集中, 专心
[化] 浓度; 浓缩
n. the strength of a solution; number of molecules of a substance in a given volume
n. the spatial property of being crowded together
n. strengthening the concentration (as of a solute in a mixture) by removing diluting material
n. increase in density
词型变化:名词复数形式 : concentrations
考试类型:[四级/六级/考研]
词性分布:
名词100%

concentration的用法和样例:

例句

用作名词(n.)
  1. The tennis players need total concentration during play.网球运动员在比赛中需要全神贯注。
  2. Stress and tiredness often result in a lack of concentration.紧张和疲劳常使人精神不集中。
  3. Concentration is essential if you want to do a good job.如果你想把事情做好,专心是必要的。
  4. His area of concentration is economics.他专心研究经济学。
  5. Check oxygen concentration by a refractometer.用折射仪测量一下氧气的浓度。
  6. Titanium is useful at low concentration only.钛只在低浓度时起作用。

常见句型

用作名词(n.)
  1. The tennis players need total concentration during play.网球运动员在比赛中需要全神贯注。
  2. It is hard to keep one's concentration up to concert pitch in this sort of scene.在这种场合下,要使注意力处于高效能状态是很困难的。
  3. It's the sort of work that calls for a high level of concentration.这工作需要高度集中注意力。
  4. He is most capable of intense concentration.他非常擅长集中注意力。
  5. This is a novel depicting the bitter sufferings of the inmates in a Nazi concentration camp.这是一本描写关押在纳粹集中营的人受苦受难的小说。
  6. On concentration of sea water we obtain salt.海水经浓缩后我们得到盐。
  7. There are heavy concentrations of that fish at the lower depths.那种鱼大量聚集在深潭。
  8. Large concentrations of capital were in the hands of merchants.大量资本集中在商人手里。
  9. This concentration of airborne firepower wrought havoc with the enemy forces.这次机载火力的集中攻击给敌军造成很大破坏。
  10. A gas in solution diffuses from region of greater to one of less concentration.溶液中的气体由浓度较高的区域向浓度较低的区域扩散。

词汇搭配

用作名词 (n.)
动词+~
  • disrupt〔disturb〕 one's concentration扰乱注意力
  • lose one's concentration分散注意力
形容词+~
  • considerable concentration高度集中的注意力
  • deep concentration聚精会神
  • high concentration高浓度
  • large concentration of population人口高度集中
  • low concentration低浓度
~+名词
  • concentration camp集中营
介词+~
  • in concentration专心地
  • power of concentration集中思想的能力
  • with concentration专心地
~+介词
  • concentration of fire火力集中
  • concentration of sea water海水浓缩
  • concentration on对…的专注
  • concentration on civil rights对公民权利的专注

经典引文

  • The concentration of your force in one position.

    出自:Wellington
  • This concentration of all power in the hands of a single man.

    出自:J. R. Green
  • The main concentration of West Indians is to be found in Brixton, London.

    出自:E. Moonman
【近义词】
【反义词】

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acetate cellulose fibre
aerodynamic loading
agricultural fertilizer
akebia pentaphylla mak.
altitude above sea level
automatic lubricating device
auxiliary crate controller
available capacity
bank reinstatement method
bedizenment
bituminous priming solution
black and white group
Brownville Junction
bumetopia lanshuana
capillary bronchitis
carpodes
chemical glassware
choice activity
coded automatic gain control
contra-regularity
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Crataegus oxycantha
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dip from
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dividends receivable account
duck belting
dye leveller
East Aberthaw
elastic hysteresis loop
electric furnace steelmaking
emission point
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epigastric reflex
falling step
fast Fourier transform algorithm
fault-secure
forward reflection
g?-protein
galdosian
genus Phalanger
give the law to
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GP (gauge pressure)
greca
haemorrhagic septicemia
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hedgehoggy
high strength alloy steel
immeshing
impact loan
in large print
intelli-sense
internal void fraction
Jigawa State
laike
lobbying expenses
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middle sample
Mittellandkanal
munge
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Ohlenstedt
overstrows
ownership of land
Pantholin
pavetta pulcherima
pentahydroborite
pneumatolytic metamorphism
pole height
precision code
pressure gauge with bakelite case
principle of action and reaction
pseudaletia unipunctas
pseudobarbella levieri(ren et gard)nog
psychophants
public welfare payment
rainbow sprinkler
random parameter system
rectifying developable surface
Regio antebrachialis anterior
rim-jobs
sanitary disposal
selforganizing system
Sergines
shihchienfang series
spy glass
stiff-tailed ducks
strip to the waist
taken up the gauntlet
tendon tube
the worst
therapeutic serum
tree function
trenching sampling
unsweat
uphigh
X-radiation X
zebrinus