數(shù)字及數(shù)學(xué)表達(dá)式的英文讀法

1精選編輯ppt1.基數(shù)詞英文是以每三位劃分一個(gè)單位:thousand,million,billion,trillion。如:134,256,366,906讀作:onehundred(and)thirty-fourbillion,twohundred(and)fifty-sixmillion,threehundred(and)sixty-sixthousand,ninehundred(and)six.(在美式英語中,往往省略hundred后面的and)。2精選編輯ppt一些特殊讀法,特別是在財(cái)經(jīng)新聞中常常遇到違反常規(guī)的讀法。如以下實(shí)例:例1:InNewYork,theDowShareIndexclosed45higherat6,783.(讀作:sixty-seveneighty-three)例2:TheDowJonesIndustrialAverageclosedup96pointsat10,116.TheStandardandPoor’s500Indexgained6pointstocloseat1,254.(10,116讀作:tenthousandonehundredsixteen;1,254讀作:twelvehundredandfifty-four)3精選編輯ppt2.序數(shù)詞序數(shù)詞中除first,second,third,其余都是在基數(shù)詞末尾加上-th構(gòu)成,只有部分在拼寫方法上略有變動(dòng)。LessonNine=theninthlesson第九課;WorldWarⅡ(WorldWarTwo)=thesecondworldwar第二次世界大戰(zhàn)等。但要注意在提及國(guó)王或女王時(shí),只能用序數(shù)詞,而不能用基數(shù)詞。如:QueenElithabethII應(yīng)讀作:QueenElithabeththesecond,而不能讀作QueenElithabethtwo。4精選編輯ppt3.號(hào)碼電話號(hào)碼,房間號(hào),帳號(hào),汽車牌號(hào)等按編號(hào)的順序一個(gè)一個(gè)地讀出,遇到“0”時(shí)讀oh,相連的兩個(gè)相同的<基數(shù)詞>可讀作double。Myofficephonenumberis268-8064extension321.Myaccountnumberis38800685.5精選編輯ppt電話號(hào)碼

讀電話號(hào)碼首先要按照國(guó)家代碼、區(qū)號(hào)、號(hào)碼本身來分開,如86然后逐個(gè)數(shù)字讀出。3+4:3837898讀作threeeightthree,seveneightnigheight;4+4

28465258讀作twoeightfoursix,fivetwofiveeight。6精選編輯ppt如果遇到兩個(gè)或三個(gè)相連數(shù)字相同,可分別用double和treble。但開頭三個(gè)數(shù)字相同,通常仍應(yīng)該分開讀,如:5553298應(yīng)讀作fivefivefive,threetwonineeight,而不是treblefive,threetwonineeight。而且運(yùn)用double或treble時(shí),仍應(yīng)遵循上述數(shù)字分組規(guī)則,如:7733298應(yīng)讀作doubleseventhree,threetwonineeight,而不是doublesevendoublethreetwonineeight。7精選編輯ppt門牌號(hào)通常情況下,三位門牌號(hào)逐個(gè)讀出,四位門牌號(hào)每?jī)蓚€(gè)數(shù)分一組。如:Classroom305讀作:Classroomthree-oh/zero-five;Room2534讀作:Roomtwenty-five

thirty-four。8精選編輯ppt“0”的讀法0可以讀作zero,nought,null,nil,nothing,oh。nil多見于體育賽事,如:3:0讀作threenil或threetonothing。9精選編輯ppt4.分?jǐn)?shù)分?jǐn)?shù)的分子用基數(shù)詞表示,分母用序數(shù)詞表示。若分子大于1,分母用復(fù)數(shù)。如:1/3,讀作:onethird; 2/7讀作:twosevenths。如果分子或分母數(shù)值較大,或在數(shù)學(xué)計(jì)算中,常常會(huì)用over來讀分?jǐn)?shù)線,如:32/46讀作thirty-twooverforty-six。但要注意1/2,1/4和3/4分別讀作:a(one)half,a(one)quarter,threequarters。10精選編輯ppt5.小數(shù)小數(shù)是用數(shù)字來表示的,小數(shù)點(diǎn)后無論有多少位數(shù)也不要在中間插入逗點(diǎn);小數(shù)點(diǎn)讀作point;小數(shù)點(diǎn)后面的數(shù)字要一個(gè)一個(gè)地讀出。

9.45讀作：“ninepointfourfive”,（但有時(shí)也會(huì)聽到“ninepointforty-five”的特例讀法。）如果小數(shù)點(diǎn)前為0,讀作nought或zero。.11精選編輯ppt6.比率、百分?jǐn)?shù)比率的表示通常都用數(shù)字,有時(shí)亦可用文字。Theratiosof1to3and5to

15arethesame.Youhaveafiftytofiftychancetowinthegame.百分?jǐn)?shù)用percent或percent表示,即"%"Thepricehasbeenreducedby20percent(or20%)sinceMay.Thenumberofvisitingpatientsis30percent(or30%)lessthanthesametimelastyear.12精選編輯ppt7.日期,年份的表示在年的表示中,如果數(shù)字較小,或者新世紀(jì)初的幾個(gè)年份,可以直接當(dāng)作基數(shù)詞讀出,如:357A.D.讀作“threehundredfifty-sevenA.D.”;2006讀作“twothousand(and)six”。數(shù)值較大時(shí),習(xí)慣于兩位一組讀出,如:1980讀作“nineteen

eighty”。13精選編輯ppt7.日期,年份的表示May22,也寫作May22nd;July15，也寫作July15th;August1，也寫作August1st;1949;1804;1700;2000;685B.C.;1960's(or1960s)。14精選編輯ppt8.時(shí)刻的表示如果想表示剛好在某一個(gè)整點(diǎn),如11:00,可以用“at11o’clocksharp/onthehour/onthestrike”。而12:00也可讀為“atnoon”;00:00為“atmidnight”。14:00：fourteenhundred9:1511:265:3012:0014:1524:0015精選編輯ppt單位的表達(dá)2×3feet2×3×6inchesThisparcelweighs3pounds5ouncesIboughta4feetby5feetrug.Thetemperaturedroppedto-22℃.Hisheightis178cm.(orHeis178cmtall.)Thesizeoftheboxissixfeetbyfourbythreeandtwo-thirds.16精選編輯ppt貨幣$18.29$15C$268JP￥10,000

WilliamⅠElizabethⅡ帝王第～世17精選編輯ppt數(shù)學(xué)表達(dá)式的讀法"＋“讀作plus或and;"—“讀作minus或from;"ד讀作times或multipliedby;"÷“讀作dividedby等。5＋8＝13Fivepluseightisthirteen.15-6＝9Fifteenminussixisnine.4×5＝20Fourtimesfiveistwenty.Fourmultipliedbyfiveistwenty.8÷2＝4Eightdividedbytwoisfour.18精選編輯ppt數(shù)學(xué)表達(dá)式的讀法A＞BAisgreaterthanB.A≥BAisgreaterthanorequaltoB.A＜BAislessthanB.A≤BAislessthanorequaltoB.A≠BAisnotequaltoB.Fivesquaredistwenty-five.Fivecubedisonehundredandtwenty-five.Twotothefourthpowerissixteen.Thesquare(orsecond)rootofsixteenisfour.Thecube(orthird)rootoftwenty-sevenisthree.19精選編輯pptLogic

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thereexist

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forall

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pimpliesq/ifp,thenq

p?q

pifandonlyifq/pisequivalenttoq/pandqareequivalent

數(shù)學(xué)表達(dá)式的讀法20精選編輯pptSets

x∈A

xbelongstoAx?A

xdoesnotbelongtoAA?B

AiscontainedinB/AisasubsetofB

A?B

AcontainsB/BisasubsetofA

A∩B

AcapB/AmeetB/AintersectionB

A∪B

AcupB/AjoinB/AunionB

A\B

AminusB/thediferencebetweenAandB

A×B

AcrossB/thecartesianproductofAandB數(shù)學(xué)表達(dá)式的讀法21精選編輯pptLinearalgebra

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