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She cannot manage Tuesday.
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concentration
['kɔnsen'treiʃən]
n. 浓缩,集中,专注,专心,全神贯注
n. 浓缩,集中,专注,专心,全神贯注
常用短语
hydrogen ion concentration
氢离子浓度
molal concentration
重量克分子浓度，重模浓度
molar concentration
摩尔浓度，容积克分子浓度，容模浓度
concentration camp
n. 集中营
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英英解释
7个名词解释
(chemistry) the strength of a solution; number of molecules of a substance in a given volume (expressed as moles/cubic meter)
the spatial property of being crowded together
[同]
compactness
,
concentration
,
denseness
,
density
,
tightness
[反]
dispersion
,
distribution
show all ... ( 7 )
strengthening the amount of a substance in a unit amount of another substance (as of a solute in a mixture) by removing the other substance
[反]
dilution
increase in density
complete attention; intense mental effort
[同]
absorption
,
concentration
,
engrossment
,
immersion
bringing together military forces
great and constant diligence and attention
[同]
concentration
,
assiduity
,
assiduousness
less ...
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参考例句
Intense
concentration
.
紧张的投入
A knock at the door interrupted his
concentration
.
敲门声打断了他的专心思考。
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参考网页
以下网页可能有助于你对本词条的理解：
Just for today I will try to strengthen my mind. I will study. I will learn something useful. I will not be a mental loafer. I will read something that requires effort, thought and concentration.
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every day.http://tr.hjenglish.com4. (A) They have to struggle to stay up all night. (B) They get severely sleep deprived.http://tr.hjenglish.com (C) They very often oversleep. (D) They fall asleep too soon at night.5. (A) Alertness. (B) Reaction time. (C) Emotion. (D) Concentration.http://tr.hjenglish.comQuestions 6 to 10 are based on the following news.http://tr.hjenglish.com6. (A) Corporate exec
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