高中英語(yǔ)單詞天天記focus素材

PAGEPAGE5·focus·v.

['f??k?s](focuses;focused;focusing)·

·雙說明義·vt.&vi.

1.(使)集中

concentrate·vt.&vi.

2.聚集于

cometogetheratafocus;adjustaninstrument,etc.sothatitisinfocus·vt.&vi.

3.調(diào)整(鏡頭,眼睛)焦點(diǎn)或焦距以便看清

adjust(alens,theeye,orlens-likedevice)tomakeaclearimage·基本要點(diǎn)

1.focus用作名詞時(shí)原始意義是“火爐”,引申為“焦點(diǎn)”,轉(zhuǎn)化為動(dòng)詞則為“(使)聚焦”,“(使)集中”。即“調(diào)整…的焦點(diǎn)或焦距以便看清”,引申則表示“使(留意力等)集中于某物”。

2.focus用作及物動(dòng)詞時(shí),可以接望遠(yuǎn)鏡、焦點(diǎn)等作賓語(yǔ),也可以接陽(yáng)光等作賓語(yǔ),還可以接目光等作賓語(yǔ)。focus用于比方作“致力于”解時(shí),則可以接mind,attention等作賓語(yǔ)。

3.focus也用作不及物動(dòng)詞,這時(shí)常和介詞on連用,表示“聚焦于…”“致力于…”等?！ぴ~匯搭配

～+名詞focusone'sattention

集中留意力focusone'sefforts

集中精力focusthelensofamicroscope

調(diào)整顯微鏡的鏡片focusone'sthoughts

集中思想～+副詞focusaccurately

精確地調(diào)整focusproperly

調(diào)整～+介詞focuson〔upon〕

使集中于焦點(diǎn),使集中在…上;強(qiáng)調(diào),著重focusontheinteractionbetween

著重說明…之間的相互作用focusonaproblem

集中在某個(gè)問題上focusthecameraon

把照相機(jī)的焦點(diǎn)對(duì)準(zhǔn)…focusthesun'srayson

使陽(yáng)光聚焦于…·常用短語(yǔ)

focuson

(v.+prep.)

1.使聚焦于;使直射于aimsthdirectlyontosth

▲focusonsth

Anear-sightedpersoncannotfocusaccuratelyondistantobjects.一個(gè)近視的人不能夠精確地調(diào)整眼睛以看到遠(yuǎn)處物體。

▲focussthonsth

Hefocusedthesun'sraysonapaperwithaburning-glass.他用一面凸透鏡把陽(yáng)光聚焦在紙上。

Ifyoufocusbrightsunlightondrywoodwithaglass,itwillstartburning.假如你用鏡子將劇烈的陽(yáng)光聚焦于干燥的木頭上,它便會(huì)燃燒起來。

2.對(duì)(某事或做某事)予以留意payattentiontosthortodosth

▲focusonsth/v-ing

Todaywe'regoingtofocusonthequestionofhomelesspeople.今日,我們主要探討無(wú)家可歸者的問題。

Manyfirmsarefocusingonincreasingtheirmarketsoverseas.很多商行都在留意在國(guó)外擴(kuò)大市場(chǎng)。

3.致力于payattentionto

▲focussthonsb/sth

Hefocusedhismindonhislessons.他把心思集中在功課上。

Youshouldfocusyourattentiononyourwork.你應(yīng)當(dāng)全神貫注地工作。

Wemustfocusourattentiononthequestionofreducingcosts.我們必需將留意力集中在降低費(fèi)用的問題上。

用于be～ed結(jié)構(gòu)

Whenthecoinfailedtoappear,attentionwasfocusedoncemoreonpoorLebeau.當(dāng)找不到那枚古幣以后,大家的留意力再次轉(zhuǎn)到勒保身上。

Alleyeswerefocusedonhimwhenhecamein.他進(jìn)來時(shí)大家都凝視著他。

4.把…作為愛好中心likesthmost

▲

focusonsth/v-ing

Today,we'regoingtofocusontherelationshipbetweenfreedomandnecessity.今日,我們將集中探討自由和必定之間的關(guān)系這一問題。

Thisyearourmeetingfocusesonthequestionofchildren'srights.今年我們會(huì)議的中心問題是兒童權(quán)益問題。

Theshowfocusesonmakingfunofpoliticians.這場(chǎng)演出旨在嘲弄那些政客?！ぞ湫屠?/p>

用作不及物動(dòng)詞

▲S+～(+A)

Adefectofvisionpreventedhimfromfocusingaccurately.視力缺陷使他無(wú)法精確聚焦。

Hemustbeverytiredtoday,hedoesn'tseemtofocusatall.他今日肯定很累,他好像無(wú)法用心思索。

用作及物動(dòng)詞

▲S+～+n./pron.

Hefocusesthelensofamicroscope.他調(diào)整顯微鏡的鏡片以定焦點(diǎn)。

Hiseyesweresotiredthathehaddifficultyfocusingit.他的眼睛累了,無(wú)法精確聚焦。

用于be～ed結(jié)構(gòu)

Unlesstheobjectisproperlyfocusedthephotographwillbeblurred.除非把焦距調(diào)準(zhǔn),否則拍出的照片是不清晰的?！ぴ~語(yǔ)辨異

focus,centre,centralize,concentrate

參見centre條。··focus·n.

['f??k?s](focuses/foci)·

·雙說明義·C

焦點(diǎn),焦距;中心

thepointatwhichbeamsoflightorheatorwavesofsoundmeetaftertheirdirectionhasbeenchanged;acenterofattention·詞匯搭配

動(dòng)詞+～adjustthefocus

調(diào)整焦點(diǎn)takethefocus

量焦點(diǎn)形容詞+～realfocus

實(shí)焦點(diǎn)rightfocus

正確的焦點(diǎn)介詞+～infocus

對(duì)準(zhǔn)焦距outoffocus

沒對(duì)準(zhǔn)焦距～+介詞thefocusofsth

某物的中心·句型例句

Thecamerahastwofocuses.這部相機(jī)有兩個(gè)焦距。

Shewasthefocusofeveryone'sattention.她是大家留意的焦點(diǎn)。

Heisadjusting