数词1定义:表示数目多少或顺序先后的词叫做数词。数词有两种:*表示数目多少的数词叫做基数词,如:one,two,three...,yfour等;*表示顺序先后的数词叫做序数词,如:first,second,third...,fifteenth等。。。3基数词(一)~12是独立的词。1one 2two3three 4four5five 6six7seven 8eight9nine 10ten11eleven 12twelve4(2)13~19都以teen结尾,都是双重音:13thirteen 14fourteen15fifteen 16sixteen17seventeen ~90整十位数都是以ty结尾。20twenty/'twentI/30thirty/'θɜːtI/40forty/'fɔːtI/50fifty/'fIftI/60sixty/'sIkstI/70seventy/'sevntI/80eighty/'eItI/y/'naIntI/注:13~19的teen/'tiːn/都是重读音,而20~90的ty/tI/都是非重读音节;/'tiːn/为长音,而/tI/为短音。~99都是由“几十”和“几”合起来构成,词中间加连字符(但音标里不加连字符),并分别重读。21twentyone45fortyfive23twentythree56fiftysix34thirtyfour67sixty~999,先说“几百”,再加“and”,再加末两位数。—Howmanydaysarethereinayear?一年有多少天?—,000以上的数,先从后向前数,每三位加“,”,第一个“,”前为thousand,第二个“,”前为million,第三个“,”前为billion(美式)或thousandmillion(英式)。—Canyouwritethenumber_________________________________________?你会写数字85,626吗?—Yes,itis85,,它是85,626。eightyfivethousand,sixhundredandtwenty(hundred),千(thousand),百万(million)等词与数字或a(n)连用时,词尾不可加“s”。,
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