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1、英文數(shù)字的寫法和讀法?表示數(shù)目的詞稱為基數(shù)詞。其形式如下:???A.從1——10???one,two,three,four,five,six,seven,eight,nine,ten.???B.從?11——19???eleventwelve,?thirteen,?fourteen,?fifteen,?sixteen?seventeen,eighteen,?nineteen.??這里除?eleven,?twelve,?thirteen,?fifteen,?eighteen為特殊形式外,fourteen,sixteen
2、,seventeen,nineteen??都是由其個(gè)位數(shù)形式后添加后綴-teen構(gòu)成。???C.從?20——99???整數(shù)幾十中除twenty,thirty,?forty,fifty,eighty為特殊形式外,sixty,seventy,ninety都是其個(gè)位數(shù)形式后添加后綴-ty構(gòu)成。??表示幾十幾時(shí),在幾十和個(gè)位基數(shù)詞形式之間添加連字符“-”,如:??21?twenty-one??76?seventy-six???D.百位數(shù)???個(gè)數(shù)基數(shù)詞形式加“hundred”,表示幾百,在幾十幾與百位間加上and.??10
3、1?a?hundred?and?one??320?three?hundred?and?twenty??648?six?hundred?and?forty-eight???E.千位數(shù)以上???從數(shù)字的右端向左端數(shù)起,每三位數(shù)加一個(gè)逗號(hào)“,”。從右開始,第一個(gè)“,”前的數(shù)字后添加?thousand,第二個(gè)“,”?前面的數(shù)字后添加?million,第三個(gè)“,”前的數(shù)字后添加?billion。然后一節(jié)一節(jié)分別表示,兩個(gè)逗號(hào)之間最大的數(shù)為百位數(shù)形式。??2,648?two?thousand?six?hundred?and?f
4、orty-eight??16,250,064?sixteen?million?two?hundred?and?fifty?thousand?sixty-four??5,237,166,234?five?billiontwo?hundred?and?thirty-seven?million,one?hundred?and?sixty-six?thousand,two?hundred?,and?thirty-four???F.基數(shù)詞在表示確切的數(shù)字時(shí),不能使用百、千、百萬、十億的復(fù)數(shù)形式;但是,當(dāng)基數(shù)詞表示不確切數(shù)字,
5、如成百、成千上萬,三三兩兩時(shí),基數(shù)詞則以復(fù)數(shù)形式出現(xiàn)。???1000?One?Thousand,??10000?Ten?Thousand,??100000?One?Hundred?Thousand,??1000000?One?Million,??10000000?Ten?Million,??100000000?One?Hundred,?Million,