英语中的分数怎么表达?谢谢

2025-02-26 09:40:25
推荐回答(5个)
回答1:

1、分数词是以基数词和序数词合成的,基数词代表分子,序数词代表分母。

基数词:one 、two、three、four……

序数词:first、second、third、fourth、fifth……

2、分子大于1时,分母需要用复数。

例:3/4  three  quarters  

(3/4相当于3个1/4 ,所以分要用复数)

3、分数中的分母为2时,要用half 表示,不能用second ,因为second是一秒钟的意思。

1/2   a half   one half 

1/3  one third

1/4  one quarter

 4、带有在整数的分数,整数部分以基数来读,并用and和分数连接起来。

例:5 2/3  five and two thirds

5、表示百分之一可以说one(a)hundredth,但更常用one percent或per cent,即用百分数表示法来表达。

例如:Seventy-five percent of the earth’ssur- face is covered by water.地球表面的75%被水覆盖着。

6、名词part有“……分之一”的意思,分子大于1时,part用复数。

例:a hundred part百分之一

回答2:

1、分子用基数词;分母用序数词。如:

1/3: one-third

1/2: one-second

2、分子为基数词复数时;分母的序数词为复数形式。如:

2/5: two-fifths

9/10: nine-tenths

3、分数修饰的名词在句子中作主语时,谓语动词是用单数还是复数取决于名词,即与名词保持一致。如:

Only one-fifth of air consists of oxygen. 氧气只占空气的五分之一。

扩展资料:

基数词 :表示数目的词称为基数词。其形式如下:

(1)1到10的基数词:one,two,three,four,five,six,seven,eight,nine,ten。

(2)11到19的基数词:eleven,twelve, thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen。

英语一到二十的序数词:

(1)第1 first;第2 second;第3 third;第4 fourth;第5 fifth。

(2)第6 sixth;第7 seventh;第8 eighth;第9 ninth;第10 tenth。

(3)第11 eleventh;第12 twelfth;第13 thirteenth;第14 fourteenth;第15 fifteenth。

(4)第16 sixteenth;第17 seventeenth;第18 eighteenth;第19 nineteenth;第20 twentieth。

百分数的表示方法:百分数由“基数词 percent”构成。如:

With production up by 60 percent, the company has had another excellent year. 

因为产量提高了60%,所以公司那年又取得了很好的效益。

About 60 percent of the workers in this company are young people. 

这个公司约60%的工人是年轻人。

回答3:

英语分数的表示法: 

一、用“基数词+序数词”表示  

分数在英语中通常是借助于基数词和序数词来共同表达的。其中基数词表示分子,序数词表示分母。  

二、用per cent等表示

表示百分之一可以说one(a)hundredth,但更常用one percent或per cent,即用百分数表示法来表达。

三、用part表示

名词part有“……分之一”的意思,分子大于1时,part用复数。表示分数的结构一般有以下三种:  

(1)“基数词(或a)+序数词+part(s)” a hundred part百分之一  

(2)“基数词+part(s)+in+基数词” five parts in one thousand千分之五

(3)“基数词+part(s)+per+基数词” one part per million百万分之一 

四、用“基数词+介词+基数词”表示

借助介词表示分数,介词前的数词是分子,介词后的数词是分母。


扩展资料:

例如:

The centimeter is one-tenth of the decimeter or one-hundredth of the meter.厘米是分米的十分之一,或者说是米的百分之一。  

Our bodies are 65percent water.我们人体含65%水分。

Ninety-nine people out of a hundred,if they were asked who first found America, would answer Clumbus.如果要问是谁首先发现美洲,一百个人中有九十九个(百分之九十九)将回答是哥伦布。  

The map is drawn to a scale of one of ten thousand.这张地图是按万分之一的比例绘制的。

回答4:

1、分子用基数词;分母用序数词。如:

1/3: one-third

1/2: one-second

2、分子为基数词复数时;分母的序数词为复数形式。如:

2/5: two-fifths

9/10: nine-tenths

3、分数修饰的名词在句子中作主语时,谓语动词是用单数还是复数取决于名词,即与名词保持一致。如:

Only one-fifth of air consists of oxygen. 氧气只占空气的五分之一。

扩展资料:

双语例句

The centimeter is one-tenth of the decimeter or one-hundredth of the meter. 厘米是分米的十分之一,或者说是米的百分之一。

However, the number of the boys will be less than a third of the girls in the class. 但是班里男生的人数将比女生的三分之一更少。

About two thirds of the students are going to attend the meeting. 大约三分之二的学生都将参加会议。

回答5:

1、读写分数时,分子在前,分母在后,且分子以基数表示,分母以序数表示。

基数即: one, two, three, four, five等。

序数即: first, second, third, fourth, fifth等。

如:1/6 读作 one-sixth,a sixth

2、分子超过1时,分母必须加上s.

如:4/9 读作 four-ninths

3、除了基本原则以外,分数中的分母为2时,须用half(1/2)表示,不可以用second表示,因为a second 是指一秒钟的意思。

如:1/2 读作 one-half, a half

4、带有整数的分数,整数部分以基数来读,并用and和分数链接起来。

如:5 2/3 读作 five andtwo/thirds

5、分数还可以加上of + 名词,表示几分之几的...东西。

如: 1/4 cup of sugar

6、如果分数很复杂,比如159/234这一类的数字,最简单的就是用over代替中间的斜杠,读作 one hundred and fifty nine over two hundred and thirty four.

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