英语数字用法Word文档格式.docx
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(5)用a还是用one
130a/onehundredandthirty
1000000a/onemillion
I.One更正式、更准确、可表示强调:
e.g.Thetotalcostwasonehundredandsixtythreepoundsexactly.
Itcostaboutahundredandfiftydollars.
II.a只能用于数字的开头:
1000a/onethousand
2100twothousandonehundred不说twothousandahundred
III.1100到1999之间的数字一般不用a:
1099a/onethousandandninety-nine
1100onethousandonehundred
1340onethousandthreehundredandforty不说athousandthreehundredandforty
序数词
1stfirst5thfifth
2ndsecond9thninth
3rdthird12thtwelfth
4thfourth21sttwenty-first
etc.
分数
1/2a/onehalf
1/3a/onethird
1/4a/onequarter(美式英语亦作a/onefourth)
表示强调用one不用a
1/12onetwelfth
1/16onesixteenth
2/3twothirds
3/4threequarters(美式英语亦作threefourths)
9/10ninetenths
较复杂的分数用over
19/56nineteenoverfifty-six
31/144thirty-oneoveronefourfour
整数和分数用and连接
2
twoandahalf
52/3fiveandtwothirds
One加分数后用复数名词:
11/2ptsoneandahalfpints
分数/百分数和名词短语用of连接
Afifthofthewomenquestioned
Threequartersofthepopulation
75%ofthepopulation
表示一半(half)时不用冠词a,有时可省略of
Half(of)theworkisalreadyfinished.
在表示度量或数量的短语中不用of
Howmuchishalfapintofmilk?
Ittakesmehalfanhourbybus.
在代词前用of
Wecan’tstart—onlyhalfofusarehere.
分数/百分数和动词
分数/百分数与不可数名词或单数名词连用时,动词一般为单数:
Fiftypercentofthelandiscultivated.
Half(of)thelandiscultivated.
单数集合名词的谓语动词在美式英语中用单数,但在英式英语中用单、复数均可:
Threequarters/75%oftheworkforceis/areagainstthestrike.
名词为复数,谓语动词亦为复数:
Twothirds/65%ofchildrenplaycomputergames.
小数
读和写均用小数点(.)(不用逗号)表示
小数点后的数字逐个读出:
79.3seventy-ninepointthree
3.142threepointonefourtwo
0.67(zero)pointsixseven(英式英语亦读作noughtpointsixseven)
数学表达式
+plus
-minus
×
times/multipliedby
÷
dividedby
=equals/is
%percent(美国英语用percent)
32threesquared
53fivecubed
610sixtothepoweroften
√ ̄squarerootof
数字0
数字0在英式英语中有几个不同的名称,而在美式英语中通常用zero表示:
用于精确的科学、医学和经济语境,亦用以表示温度:
Itwastendegreesbelowzerolastnight.
Zeroinflation/growth/profit
Nought在英式英语中用以表示数字、年龄等:
Amillioniswrittenwithsixnoughts.
Thecargoesfromnoughttosixtyintenseconds.
clothesforchildrenagednoughttosix
美式英语o/əu/用以读出银行账号、电话号码等
电话号码
每个号码分别读出,o读作/əu/(英式英语)或/oʊ/(美式英语):
(01865)556767ooneeightsixfive,fivefivesixsevensixseven(或doublefivesixsevensixseven)
温度
摄氏温标(℃)在英国为官方用法,在美国用于科技语境:
ahighofthirty-fivedegreeCelsisu
Thenormaltemperatureofthehumanbodyis37℃.
华氏温标(°
F)在美国用于科技以外的其他各个方面,在英国仍普遍使用。
Degrees/Fahrenheit/Centigrade/Celsius(华氏度/摄氏度)这些词常常省略:
Temperaturesoaredtooverahundred.(100°
F)
She’sillinbedwithatemperatureofahundredandtwo.(102°
货币
在英国
100pence/p=1Britishpound(£
1)
Itcosts90p/90pencereturnonthebus.
表示单枚硬币:
atwentypencepiece/atwentyppiece
表示英镑和便士通常只说数字:
Itonlycostfiveninetynine.(£5.99)
在非正式英式英语:
£1aquidapenny一分硬币
5cfivecentsanickel五分硬币
10ctencentsadime一角硬币
25ctwenty-fivecentsaquarter二角五分硬币
$1.00onedollaradollarbill一元纸币
在非正式美式英语中美元叫buck:
Thisshirtcostfiftybucks.
英语日期的读和写
1.BritishEnglish英式英语
15October1997或15thOctober1997(15/10/97,即:
日/月/年)
HisbirthdayisontheninthofNovember.
HisbirthdayisonNovembertheninth.
2.AmericanEnglish美式英语
May16,1996(5/16/96,即:
月/日/年)
HerbirthdayisMay16th.
3.Years年份
1998读作nineteenninety-eight
1609读作sixteenonine
1500读作fifteenhundred
2000读作(theyear)twothousand
2005读作twothousandandfive
2016读作twentysixteen
4.公元纪年
AD76/A.D.76读作ADseventy-six
76CE/76C.E.读作seventy-sixCE(上述两种表示法均指公元76年。
)
5.1000BC/1000B.C.读作onethousandBC
1000BCE/1000B.C.E.读作onethousandBC
(上述两种表示法均指公元前1000年。
年龄
表示一个人的年龄只用数字:
SueistenandTomissix.
Shelefthomeatsixteen.
…岁的男子/女子/男孩/女孩等:
They’vegotagirlofthreeandaboyoffive.
ayoungwomanofnineteen.
书写、描述或强调某人的年龄用…yearsold
Shewasthirty-oneyearsoldandabarristerbyprofession.
Heisdescribedaswhite,5ft10installandabout50yearsold.
You’refortyyearsold—stopbehavinglikeateenager!
…yearsold亦用以表示事物存在的时间:
Themonumentis120yearsold.
亦可用a…year-old/month-old/week-old等表示:
Youthtrainingisavailabletoallsixteen-year-olds.
atenweek-oldbaby
aremarkable1000year-oldtomb
正式用语或书面语用…yearsofage:
Notapplicabletopersonsundereighteenyearsofage.
表示某一年龄段的人用the…agegroup:
Hetookfirstprizeinthe10-16agegroup.
表示一个人的大致年龄:
13-19inhis/herteens
21-29inhis/hertwenties
31-33inhis/herearlythirties
34-36inhis/hermidthirties
37-39inhis/herlatethirties
特指某事情与某年龄有关可用at/by/beforeetc.theageof…:
Mostsmokersstartsmokingcigarettesbeforetheageofsixteen.
用于时间的数字
表示时间的方法通常不止一种:
半小时
6:
30sixthirty
Halfpastsix(英式英语)
Halfsix(非正式英式英语)
其他时刻
5:
45fiveforty-five(a)quartertosix(BrE)/(a)quarterto/ofsix(NAmE)
2:
15twofifteen(a)quarterpasttwo(BrE)/(a)quarteraftertwo(NAmE)
1:
10onetentenpastone(BrE)/tenafterone(NAmE)
3:
05threeofivefivepastthree(BrE)/fiveafterthree(NAmE)
55onefifty-fviefivetotwo(BrE)/fiveto/oftwo(NAmE)
表示5、10、20和25分钟不必用minute,但表示其他分钟用minute:
10.25twenty-fivepast/afterten
10.17seventeenminutespast/afterten
只有表示整点才用o’clcok:
It’sthreeo’clock.
上午、下午、傍晚或是晚上就用inthemorning、intheafternoon、intheevening或atnight。
在较正式的语境中用:
a.m.=inthemorningoraftermidnight早上或午夜以后
p.m.=intheafternoon,intheeveningorbeforemidnight下午、晚上或午夜以前
Hegetsupat4a.m.todeliverthemail.
o’clock不与a.m.或p.m.同时用。