Unit2單詞1.astronaut/??str?n??t/n.

宇航員，航天員

astronomyn.astronomern.astronomicaladj.

2.gravity/?ɡr?v?ti/n.（U）1）重力,地球引力；

Newton’slawofgravity

2）嚴(yán)重性(formal)(extremeimportanceandacauseforworry)；嚴(yán)肅

Idon’tthinkyourealizethegravityofthesituation.Hespokeslowlyandwithgreatgravity.

3.absence/??bs?ns/n. absentadj.

presencen.presentadj.

beabsentfrombepresentat

absent-mindedadj.1)(C)&(U)缺乏，不存在；

Herabsenceofmindduringdrivingnearlycausedanaccident.2)(U)缺席

Hewaseagertobebackaftermorethanaweek’sabsencefromschool.

in/duringone’sabsence

在某人不在時(shí)

InhisabsenceIlookedtoseewhatwasonhisdesk.

intheabsenceof...在缺乏。。。的情況下

Intheabsenceofgraywolves,thedeerpopulationgrewquickly.

4.float/fl??t/

vi.飄動(dòng)，漂流；浮

vt.使浮動(dòng)，使漂流

(反）sink

Duetothenearabsenceofgravityinspace,wehaveto

attatchourselvessothatwedon’tfloataround.5.cupboard/?k?b?d/n.壁櫥；櫥柜，衣柜6.ceiling/?si?l??/n.天花板；上限

7.bother/?b?e?(r)/

botheredadj.1)vt.使煩惱，使擔(dān)心；(toannoy,worryorupsetsb)Youneedn’tbotheryourselfabout/withsmallthings.2)vt.打擾(tointerruptsb;trouble)Don’tbothermewhileI’mreading.

Sorrytobotheryou,butthemanagerisontheline.3)vt&vi.(常用于否定句和疑問(wèn)句）花費(fèi)時(shí)間精力（做某事),費(fèi)心(做某事)

(tospendtimeand/orenergydoingsth.)Hedidn’tbothertoanswerthequestion.---Ineedtoadvertiseforaroommatefornextterm.---Whybother?Maryisinterested.4)n.麻煩，困難(troubleordifficulty)---Thanksforyourhelp!---Itwasnobother.

8.occupy/??kjupa?/vt.

occupiedadj.occupationn.1）占用，使用(時(shí)間、空間）(takeup)Hisspeechoccupiedonlythreeminutes.Thebedseemedtooccupymostoftheroom.2)占領(lǐng)，侵占

Duringthewar,Germanyoccupiedmanycountries,includingFrance.3)使忙碌

Hisworkoccupieshimforthewholeday.

beoccupiedwithsth.

beoccupied(in)doingsth

12.mosquito/m??ski?t??/n.(pl.mosquitoesor

mosquitos)蚊子

13.microscope/?ma?kr?sk??p/n.顯微鏡

under/throughamicroscope14.castnewlighton使進(jìn)一步了解…

Hopefully,theexperimentwillcastnewlightontheEarth’sclimate.

15.maintenance/?me?nt?n?ns/n.維護(hù)，保養(yǎng)；維持，保持

maintainv.

16.circumstance/?s??k?mst?ns/n.1)(常用復(fù)數(shù)）條件，狀況（theconditionsthataffectasituation,anevent,etc)Ourcircumstancesaresodesperatethatitisuncertainwhetherwewilleverreturnalive.2)(復(fù)數(shù))境況，（尤指）經(jīng)濟(jì)狀況

(theconditionsofaperson’slife,especiallythemoneytheyhave)

financial/social/personalcircumstances

in/under...circumstances在。。。情況下

In/Underthecircumstances,itseemsbetternottotellhimabouttheaccident.It’sanexperimantalmodel,sodon’ttouchitunderanycircumstances.

in/undernocircumstances決不；無(wú)論如何都不

Undernotcircumstances

shouldwedoterriblethingstootherpeople.

17.exposure/?k?sp????(r)/n.

exposevt.1)面臨，遭受Weputonourspacesuits,whichallowustobreatheinspaceandprotectusfromexposuretothecoldandradiation.

2)揭露theexposureofillegaldeals3)（常用單數(shù)）

接觸；體驗(yàn)ManypeopleinChinahavelimitedexposuretoEnglish.18.radiation/?re?di?e??n/n.輻射，放射線

nuclearradiation19.visible/?v?z?bl/adj.看得見(jiàn)的；明顯的(反）invisible

visionn.ForseveralhoursImademyselfhighlyvisible,makingsureeveryonecouldseeme.20.inviewof鑒于，考慮到Inviewoftheweather,theeventwillbeheldindoors.21.luxury/?l?k??ri/n.

luxuriousadj.1)(單數(shù))不常有的樂(lè)趣（或享受)It’saluxurytoeatfreshfoodinspace.2(C)奢侈品

Happinessistobefoundnotinluxuriesbutinsimplethings.3)(U)奢侈；奢華leadalifeofluxury22.tube/tju?b/n.管，管子；軟管

athintubeofplastic

23.furthermore/?f??e??m??(r)/adv.此外，再者(moreover)

Thehouseisn’tbigenoughforus,andfurthermore,it’stoofarfromthetown.23.pill/p?l/n.藥丸，藥片

takepills

Bitterpillsmayhavewholesomeeffects.

良藥苦口利于病。24.vital/?va?tl/adj.必不可少的，對(duì)…極重要的；維持生命所必需的

(veryimportantornecessary;essential)

Spendingsometimeinthegymisofvitalimportancetoastronauts’health.Considerationforotherpeopleisvitaltoallofus.What’sworse,somedriversdonotthinkitvitaltoobeytrafficrules.Readingisavitalpartofmylife.25.discipline/?d?s?pl?n/1)vt.嚴(yán)格要求（自己）；懲罰；訓(xùn)練Wedisciplineourselvestodoatleasttwohoursofexerciseeveryday.2)n.(U)訓(xùn)練，管教，紀(jì)律Theschoolhasareputationforhighstandardsofdiscipline.Thebookgivesparentsadviceondiscipline.3)n.(U)自制力Studyingathomerequiresagooddealofdiscipline.4)n.(C)(正式用語(yǔ)）（尤指大學(xué)的）學(xué)科Wearelookingforpeoplefromawiderangeofdisciplines.

26.leisure/?le??(r)/n.(U)閑暇，空閑leisuretime/activitiestheleisureindustryatone’sleisure

有空時(shí)；空閑時(shí)

27.crew/kru?/n.（集體名詞）1）全體工作人員；全體乘務(wù)人員，全體船員Theplanecrashed,killingtwoofthecrewandfourpassengers.2）專業(yè)團(tuán)隊(duì)；一群人

acameracrew

攝制組28.permanent/?p??m?n?nt/adj.永久的，永恒的

permanencen.

(反）impermanent/temporary

setuppermanentbasesonotherplanetsapermanentjob29.altogether/???lt??ɡee?(r)/adv.1)

完全地Theenvironmentinspaceisaltogetherdifferentfromthatbackontheearth.

2)總共，一共（inall/intotal)Therearealtogetherelevenbooksontheshelf,ofwhichfivearemine.3)總之,總的來(lái)說(shuō)

(allinall)Thefoodwasgoodandwelovedtheatmosphereandthepeople.Altogetheritwasagreatevening.30.kit/k?t/n.成套設(shè)備，成套工具；配套元件

afirst-aidkit

急救包；一套急救用品

31.telescope/?tel?sk??p/n.望遠(yuǎn)鏡 32.universe/?ju?n?v??s/n.(theuniverse)宇宙，天地萬(wàn)物

Ourworldisbutasmallpartoftheuniverse.33.crucial/?kru??l/adj.至關(guān)重要的，關(guān)鍵性的(extremelyimportant)

(近）vital/critical/essential

playacrucialrolein...Theearlylearningyearsarecrucialtoachild’seducationaldevelopment.

Itiscrucialforteenagerstodevelopintomatureandresponsiblemembersofsociety.

34.orbit/???b?t/

orbitern.

(繞天體作軌道運(yùn)行的）宇宙飛船；軌道飛行器1)vt.&vi.圍繞…運(yùn)動(dòng)，沿軌道運(yùn)行

TheEarthtakesayeartoorbit(around)thesun.2)n.（天體等運(yùn)行的）軌道

Theman-madesatellitehasbeenputintoorbitaroundtheEarth.35.astronomer/??str?n?m?(r)/n.天文學(xué)家

astronomyn.astronomicaladj.36.merely/?m??li/adv.僅僅，只不過(guò)(only,simply)

mereadj.

Iaskeditmerelyoutofcuriosity.Itisnotmerelyajob,butawayoflife.37.administration/?d?m?n??stre??n/n.行政部門；管理，行政

administrativeadj.theChinaNational

SpaceAdministration

中國(guó)航空航天局theuniversityadministration大學(xué)行政部門38.agency/?e?d??nsi/n.機(jī)構(gòu)；代理處

agentn.(C)代理人；代理商；經(jīng)紀(jì)人1)(尤指政府內(nèi)的）機(jī)構(gòu)；局；部；廳

spaceagency

航天局，

宇航局XinhuaNewsAgency

新華社2)代理處；經(jīng)銷處；代理機(jī)構(gòu)

atravel/housingagency

旅行社/房屋中介anadvertising/employmentagency

廣告公司/職業(yè)介紹所41.plaintosee顯而易見(jiàn)的

Thefactswereplaintosee.

42.foundation/fa?n?de??n/n.1)(C)&(U)基礎(chǔ)，根據(jù)(theidea,principle,orfactonwhichsthisbased)Thefoundationofeverystateisitseducationofitsyouth.2)(C)(常用復(fù)數(shù)）地基

Howlongwillittaketofinishdiggingthefoundations?3)(U)創(chuàng)辦

thefoundationofthefirstuniversity4)(C)基金會(huì)

theChineseRedCrossFoundation43.laythefoundationfor為…打下基礎(chǔ)

“Lianda

laidthefoundationforeveryachivementIhavemade,”Yang

Zhenningrecalled.44.

purse/p??s/n.(單數(shù)）資金，財(cái)源；(C)錢包

thepublicpurse

政府經(jīng)費(fèi)45.tale/te?l/n.故事；講述，敘述

folk/romantic/ancienttalestellthetalesofone’sexperience

fairytale

神話；童話46.origin/??r?d??n/n.

originaladj.originallyadv.originatevt.1)起源，起因

Theexactoriginoftabletennisisnotknown.TheWesternfestivalHalloweenhasitsoriginsinoldbeliefsaboutthereturnofthespiritsofdeadpeople.2)出身

Over80%ofthe3.6millionpeopleareofEuropeanorigin.

47.shuttle/???tl/1)n.航天飛機(jī)；來(lái)往于兩地之間的航班（或班車、火車）2)vi.頻繁往來(lái)（于兩地之間）

Herchildhoodwasspentshuttlingbetweenhermotherandfather.48.frequency/?fri?kw?nsi/n.發(fā)生率，出現(xiàn)率；頻繁；頻率

frequentadj.frequentlyadv.

citieswithahigh/lowfrequencyofearthquakesTrafficaccidentshaveincreasedinfrequencyoverrecentyears.49.hydrogen/?ha?dr?d??n/n.(U)氫，氫氣50.rocket/?r?k?t/1)n.(C)火箭；火箭武器

launcharocket2)vi.飛速上升；飛馳

Unemploymenthasrocketedupagain.

51.motive/?m??t?v/n.原因，動(dòng)機(jī)，目的

motivatev.motivationn.

Motivationmeansthatyouhaveagoodmotiveforaction.52.investment/?n?vestm?nt/n.

investv.1)投資；投資額；(有用的）投資物

Spaceexplorationdemandshugeinvestment.Thebestinvestmentyoucanmakeisinyourself.aminimuminvestmentof1,000Weboughtthehouseasaninvestment.2)(時(shí)間、精力的）投入

Theprojectdemandsconsiderableinvestmentoftimeandeffort.53.calculate/?k?lkjule?t/vt.

calculationn.calculatorn.1)vt.&vi.計(jì)算，核算(workout)Theteachercalculatedtheaveragemarkoftheclass.①calculate+that/wh-從句

Sallycalculatedthatshewouldhaveabout$100left.Atsomestageweneedtocalculatewhentheprojectwillbefinished.②Itiscalculatedthat+that從句

Ithasbeencalculatedthattheglobalspaceeconomyisincreasingbybillionsofdollarseveyyear.2)vt.預(yù)測(cè);估計(jì)(estimate)

calculate+that/wh-從句

Icalculatedthatwewouldarriveat6:00pm.Thispaintingissovaluablethatitisdifficulttocalculatewhatitspriceis.54.coverage/?k?v?r?d?/n.(U)coverv.1)新聞報(bào)道

Jobsinthespaceindustrygofarbeyondtheastronautsthatreceivewidespreadmediacoverage.

2)覆蓋范圍5Gcoverageareas3)(書、節(jié)目、課程等的）內(nèi)容范圍；信息范圍magazineswithextensivecoverage

ofdietandhealthtopics4)保險(xiǎn)范圍

insurancecoverage

55.mechanic/m??k?n?k/n.機(jī)械師，技工

mechanicaladj.acarmechanic

56.assistant/??s?st?nt/

assistv.assistancen.1)n.助理；售貨員；助教

aresearch/teaching/shopassistant2)adj.助理的，副的

anassistantmanager/professor

57.incredibly/?n?kred?bli/adv.

incredibleadj.1)（口語(yǔ)）極其，極端地

(extremely)

Everyoneintheclassworksincrediblyhard.2)(句子副詞）令人難以置信

Incredibly,noonewashurtintheaccident.

58.dust/d?st/n.(U)沙土，塵土；灰塵，塵埃 dustyadj.

duststorms