英语小点心：聚精会神怎么说？

con·cen·trate\ˈkän(t)-sən-ˌtrāt, -ˌsen-\

verb

: to think about something : to give your attention to the thing you are doing, reading, etc.

: to cause (attention, efforts, strength, etc.) to be used or directed for a single purpose

: to make (something, such as a liquid) stronger by removing water

Full Definition

transitive verb

1 a : to bring or direct toward a common center or objective : focus <concentrate one's efforts>

b : to gather into one body, mass, or force <power was concentrated in a few able hands>

c : to accumulate (a toxic substance) in bodily tissues <fish concentrate mercury>

2 a : to make less dilute <concentrate syrup>

b : to express or exhibit in condensed formintransitive verb

1 : to draw toward or meet in a common center

2 : gather, collect

3 : to focus one's powers, efforts, or attention <concentrate on a problem>

Other forms: con·cen·trat·ed; con·cen·trat·ing

con·cen·trat·ed·ly \-ˌtrā-təd-lē; ˌkän(t)-sən-ˈtrā-\ adverb

con·cen·tra·tive \-ˌtrā-tiv\ adjective

Examples

All that noise makes it hard to concentrate.

The student has difficulty concentrating.

The sauce should be simmered for a few minutes to concentrate its flavors.

Origin: com- + Latin centrum center.

First use: 1641

Synonyms: condense

Antonyms: dilute, water (down)

2

concentrate

noun

: a substance that is made stronger or more pure by removing water

Full Definition

1 : something concentrated: as

a : a mineral-rich product obtained after an initial processing of ore

b : a food reduced in bulk by elimination of fluid <orange juice concentrate>

2 : a feedstuff (as grains) relatively rich in digestible nutrients — compare fiber

Examples

a frozen orange juice concentrate

Is this orange juice fresh or is it made from concentrate?

First use: 1883

英语小点心：聚精会神怎么说？