concentrate, focus

名詞 concentrate:

1. the desired mineral that is left after impurities have been removed from mined ore
   同義詞：dressed ore
2. a concentrated form of a foodstuff; the bulk is reduced by removing water
3. a concentrated example

動(dòng)詞 concentrate:

1. make (the solvent of a solution) dense or denser
2. direct one's attention on something
   同義詞：focus, center, centre, pore, rivet
3. make central
   同義詞：centralize, centralise
4. make more concise
   同義詞：digest, condense
5. draw together or meet in one common center
6. compress or concentrate
   同義詞：condense, contract
7. be cooked until very little liquid is left
   同義詞：boil down, reduce, decoct
8. cook until very little liquid is left
   同義詞：reduce, boil down

1. The threat of going bankrupt is very unpleasant but it certainly concentrates the mind.
   即將破產(chǎn)的威脅雖令人極煩惱，但確也能逼迫人開動(dòng)腦筋。
2. The crowds concentrated round the palace.
   人群匯集在宮殿的四周。
3. I can't concentrate on my work when I'm tired.
   我累了就無法集中精力工作。

con.cen.trate

v.（動(dòng)詞）
con.cen.trat.ed,con.cen.trat.ing,con.cen.trates
v.tr.（及物動(dòng)詞）

To direct or draw toward a common center; focus.
集中：使指向或拖向同一個(gè)中心；聚集
To bring into one main body:
集于一體：
例句：
Authority was concentrated in the president.
政權(quán)集于總統(tǒng)一身

To make (a solution or mixture) less dilute.
濃縮：濃縮（溶液或混合物）
v.intr.（不及物動(dòng)詞）

To converge toward or meet in a common center.
集中：集中或匯聚于同一個(gè)中心
To increase by degree; gather:
聚集：程度上增加；集中：
例句：
.Dusk began to concentrate into full night.(Anthony Hyde)
.薄暮開始凝聚成黑夜.(安東尼·海德)

To direct one`s thoughts or attention:
全神貫注：
例句：
We concentrated on the task before us.
我們專注于眼前的任務(wù)

n.Abbr. conc.（名詞）縮寫 conc.
A product that has been concentrated, especially a food that has been reduced in volume or bulk by the removal of liquid:
濃縮品：經(jīng)過濃縮后的產(chǎn)物，尤指除水后數(shù)量或體積減小的食物：
例句：
pineapple juice concentrate.
菠蘿濃縮汁

來源：
From concenter
源自 concenter

【引伸】
con.centra.tive
adj.（形容詞）
con.centra.tively
adv.（副詞）
con.centra.tor
n.（名詞）