英文数字表达

01 数字读法

0（零）zero/oh

零增长 zero growth

零次 zero times

零点 zero hours

零度 zero degrees

无重力 zero gravity

内线501 extension 501 [five oh one]

10美元纸币8张 eight $10 [ten dollar] bills

14人受伤 Fourteen were injured.

100亿 ten billion 10,000,000,000

10兆 ten trillion 10,000,000,000,000

1,000兆 a[one]quadrillion 1,000,000,000,000,000

100千兆 a[one] quintillion

头班车 the first train

清早我要首先做那件事。I will do that first thing in the morning.

从右数第二个是我。I am second from the right.

第三次终于成功了。I finally made it on the third try.

1/2 a[one] half

1/3 a[one] third

2/3 two thirds

1/4 a[one] quarter/a[one] fourth

3/4 three quarters/three fourths

1/5 a[one] fifth

1/100 a[one] hundredth/a[one] one-hundredth

2 1/2 two and a half

7 5/8 seven and five eighths

7/5 seven fifths

5的倒数是1/5。The reciprocal of five is one fifth.

9.622 nine point six two two

0.15 zero point one five

7.28 billion. seven point two eight billion

+5 plus[positive] five

-9 minus[negative] nine

±6 plus(or) minus six

52 five squared/the square of five

43 four cubed/the cube of four

34 three to the fourth(power)

x2 x squared

x3 x cubed

x4 x to the fourth(power)

xn x to the nth(power)

x-2 x to the minus second(power)

x1/2 x to the one half(power)

6的平方是36。The square of 6 is 36.

4的立方是64。The third power of 4 is 64./The cube of 4 is64.

2的4次方是16。The fourth power of 2 is 16./Two to the fourth(power) is sixteen.

某个数的n次方 raise a number to the nth power

31/2 the square[second] root three/root three

81/3 the cube[third] root of eight

91/4 the fourth root of nine

x1/n the nth root of x

log525 base-5 log of 25/ log of 25, base-5

log 100 common log of 100

loge 5 natural log of 5

7的阶乘 7! seven factorial

7的阶乘 7! seven factorial

7的阶乘 7! seven factorial

7的阶乘 7! seven factorial

个位 ones

10位 tens

100位 hundreds

1，000位 thousands

小数第一位 the first decimal place

计算到小数第三位 calculate to the third decimal place

伊丽莎白一世 Elizabeth I[thE First]

伊丽莎白二世 Elizabeth II[the Second]

第二次世界大战 World War II[two]

第五章 Chapter V[five]

第六节 Section VI[six]

第一幕第3场 Act I[one], Scene III[three]

1 I 2 II 3 III 4 IV 5 V 6 VI 7 VII 8 VIII 9 IX 10 X 11 XI 14 XIV 15 XV 20 XX 21 XXI 40

XL 50 L 100 C 500 D 600 DC 700 DCC 900 CM 1000 M 1500 MD 1999 MCMXCIX 2000

MM 2015 MMXV

圆周率 pi(π)

sin600 sine sixty degrees 600 的正弦

cos300 cosine thirty degrees 300的余弦

tan450 tangent forty-five degrees 450的正切

实数 real numbers

虚数 imaginary numbers

复数 complex numbers

偶数 even numbers

奇数 odd numbers

素数 prime numbers

倍数 multiples

最小公倍数 LCM [the least common multiple]

约数 divisors

最大公约数 GCD [the greatest common divisor]

进制 number systems

二进制 the binary system

八进制 base 8

10进制 the decimal system

16进制 base 16

02 数式读法

数数 count

扳着手指数数 count on one's fingers

从1数到10 count from one to ten

从100起倒数 count backward from 100

你能数到多少个数 How high can you count?

倒计时 countdown

加法 adition

加 add

和 sum

+（加号）plus/and

=（等号）equals/is/makes

2+3=5

Two plus three equals five.

Two plus three is five.

Two and three makes five.

Two and three is five.

3.5+4.6=8.1

Three point five plus four point six equals eight point one.

1/2+2/3=1 1/6

A half plus two thirds equals one and a sixth.

9加3等于12。Add nine and three, and you get twelve.

5加8等于几？What is 5+8[five plus eight]?

9加5等于几？What does nine and five make?

减法 subtraction

减 subtract

差 difference

-（减号）minus/less

10-9=1

Ten minus nine equals one.

Ten minus nine is one.

Ten less nine is one.

1,352-681=671

One thousand three hundred (and) fifty-two minus six hundred (and) eighty-one equals six hundred

(and) seventy-one.

3/4-1/4=1/2

Three fourths minus one fourth equals one half.

10-20=-10

Ten minus twenty equals negative ten.

3x-2y=6

Three x minus two y equals six.

12减3等于9。

If you take three from twelve, you get nine.

乘法 multiplication

乘 multiply

积 product

x（乘号）multiplied by/times

3 x 5=15

Three multiplied by five equals fifteen.

Three times five equals fifteen.

Three times five is fifteen.

1/2 x 1/4=1/8

One half multiplied by one fourth equals one eighth.

3.5 x 2.1=7.35

Three point five multiplied by two point one equals seven point three five.

4 x (-2)=-8

Four times negative two is negative eight.

6乘4等于24。

If you multiply six by four, you get twenty-four.

5乘6的积为30。

The prosuct of five by six is thirty.

乘法表 multiplication tables

5的乘法口诀 the five times table

除法 division

除 divide

商 quotient

余 remainder

÷（除号）divided by/into

10÷2=5

Ten divided by two eauals five.

Ten divided by two is five.

Two into ten is five.

1,111÷11=101

One thousand, one hundred (and) eleven divided by eleven equals one hundred (and) one.

3/4÷1/2=1 1/2

Three fourths divided by one half equals one and a half.

8用2除等于4。

Divide eight by two, and you get four.

22÷7=3余1，22÷7=3 r1

Twenty-two divided by seven eauals three with a remainder of one.

除开 divisible

16能用2、4、和8除开

16 is divisible by 2, 4, and 8.

进位 round up

未满10的以10计算

round up to the nearest ten

把小数点的数进位到整数

round up to the nearest whole number

小数点以后第3位进位

round up to the second decimal place

未满1元的零头按1元计算

round up to the nearest one yen

舍掉 round down/drop omit

不足10的舍掉

round down to the nearest ten

未满1元的零头不计

round down to the nearest one yen

不足1000的舍掉

000's [three zeroes] omitted

四舍五入 round off

不足10的四舍五入

round off to the nearest ten

小数点后的四舍五入

round off to the nearest whole number

小数后的数第4位四舍五入

round off to the third decimal place

代数 algebra

未知数 unknowns

变量 variables

2x two x

1/x one over x

x/y x over y

方程式 equations

一[二]次方程式

a liner [quadric] equation

求解 solve

解 solution

公式 formula

微分 differenciation

积分 integration

函数 functions

数列 sequences/progressions

算术数列等差级数

arithmetic sequences [progressions]

几何数列等比级数

geometric sequences [progressions]

正比例 direct proportion

反比例 indirect proportion

03 数字种类

位数 digit/figure

1 位数 single-digit

去年的通货膨胀是1位数。

Inflation was single-digit last year.

我计算错了一位数。

I was one digit off.

2 位数 double-digit

两位数的通货膨胀 double-digit inflation

3 位数 three-digit

三位的数字 a three-digit number

她拿到六位数的薪水。

Her salary is in six figures.

邮编增至七位数。

The postal code was lengthened to seven digits.

这个计算器能够计算到10位数。

This calculator can go up to ten digits.

第1 first

她在竞赛中得第一。

She won the first prize in the contest.

我们队得了第一名。

Our team came in first.

她在班上排第一。

She is first in her class.

安全第一 Safety first.

第2 second

我在拉力赛中排名第二。

I got the second(place) in the race.

大日是日本第二大汽车制造公司。

Dainichi is the second largest car maker in Japan.

第3 third

某银行世界排名第三。

X Bank ranks third in the world.

第～ ～th

她在拉力赛中只进入了第15名。

She only finished 15th in the race.

前几名 top

排前五名的公司 the top five companies

进入前10名 make the top ten

最后 last

他排最后。He ranked last.

第1个 first

我们首先到达。

We were(the) first to arrive.

坐在第一[三]排

sit in the front[third] row

前100人 the first 100 people

第2个 second

她第2个举手。

She was the second to raise her hand.

第3个 third

顺[倒]数第3行

the third line from the top[bottom]

第三者 a third party

从右数第四个

Give me the fourth one from the right.

雨巷火车站是第五站。

There are four stops to go before Rainlane.

我在100人中排35位。

I was 35th out of 100.

不知道他正在吸第几支烟。

He is smoking his umpteenth cigarette.

最后 last

最后的两页 the last two pages

我倒数第二。I was the second to the last.

第几名 what place

熊队排名第几？

What place are the Bears in? /Where do the Bears rank?

她第几名（拉力赛等）？

What place did she come in?

“你排第几号（等待的顺序）？”

"How many people are there before you?"

“第五号” "I'm the fifth."

“雨巷从这儿数是第几站？”

"How many stops are there between here and Rainlane?"

“是第二站。”

"There is one stop. /It's the second stop from here."

克林顿是第几任总统？

What number President is Clinton?

这是她的第几部小说作品？

How many novels has she written now?

你现在有几个孩子？

How many children do you have now?

一流的 first-rate

一等的 first-class

一次 once

两次 twice

～次 ～times

我们每年休假两次。

We can take a vacation twice a year.

有二次有三次。

Never twice without three times.

他每月大约看四、五次电影。

He sees movies four or five times a month.

她也多次去过美国。

She has been to America many times.

～回 how many times

我说几遍你能明白？

How many times do I have to tell you?

第～次 ～time

这是初次。

This is my first time.

初次见到她是10年前。

I met her for the first time 10 years ago.

第二次打电话时，他不在。

The second time I called, he was out.

来加拿大这是第三次。

This is my third visit to Canada.

最后 the last time

最后一次见到他是在一个月之前。

The last time I met him was a month ago.

这次去加拿大访问是第几次？

How many times have you been to Canada now?

比较 comparison

这块表比那块表便宜50美元。

This watch is $50 cheaper than that one.

新型 CPU 速度提高 30% 。

The new CUP is 30% faster.

～倍 ～times

X倍表示方法是X times as ... as 或者用 X times + 比较级表示，一旦用比较级，X倍究竟是多少倍，会出现 X倍+1 倍不明确的结果，所以严谨场合需要使用X times as ...as 表示。

二倍 twice/double

他的收入是我的两倍。

His income is twice as large as mine.

他的年龄是我年龄的两倍。

He is double my age.

她的书籍比我多一倍。

She has twice as many books as I do.

会员人数五年中翻了一番。

The number of members has doubled in five years.

他们的住宅在出我们的一倍。

Their appartment is twice as big as ours.

三倍 three times/triple

这个箱子有那个箱子的三倍重。

This box is three times as heavy as that one.

上月的降雪是平常年份的三倍。

Last month's snowfall was triple the average.

五倍 five times

参加这次游行的人数是上次的五倍。

Five times as many people came to the demonstration as last time.

我必须还五倍。

I will pay five times as much.

这台机器比那台效率高五倍。

This machine is five times more efficient than that one.

把物体放大500倍

magnify objects 500 times

日本的海岸线是美国的1.7倍。

The coastline of Japan is 70% longer than that of the United States.

一倍半 half as much(many)...again as

今年房子的价格与五年前相比长了一倍半。

Houses cost half as much again this year as they did five years ago.

～倍的 ～fold

增加四倍 a four fold increase

增加10倍 increase ten fold

增长四倍 quadruple

石油生产增长四倍。

Oil production has quadrupled.

这家工厂产量增长五倍。

The factory increased its output by a factor of five.

(To be continued)

二分之一 half

用通常的一半的比率 at half the usual rate

～分之一 one ～th

日本的人口大约是中国人口的八分之一。

The population of Japan is about one eighth that of China.

～到 up to

数到10 count up to ten

你能够借到五本书。

You can borrow up to five books.

从～到 from ～ to.../between

价格从5000日元到2万日元。

Prices range from ￥5,000 to ￥20,000.

我们需要3%到5%的手续费。

We charge a 3% to 5% commission.

旅行费用从1000美元到2000美元之间。

The trip will cost anywhere from $1,000 to $2,000.

每1小时赚20美元到30美元

earn between $20 and $30 per hour

～以上 and[or] up/and [or] more/and [or] over/not less than/-plus/more than

得70分以上合格。

A passing grade is seventy or better.

成本是1,000美元以上。

It costs not less than $1,000.

我们这里昨天降雨超过100毫米。

We had over a hundred millimeters of rain yesterday.

至少需要三天时间。

It'll take at least three days.

超过一万美元的种类

the $10,000-plus category

他会演唱100首以上的曲子。

There are more than 100 songs in his repertoire.

～未满 under/below/less than

收入不足10万美元

incomes under[below]$100,00

我花不到100美元买的。

It costs me less than $100.

(To be continued)

"What is "你是第几" in English? " is a frequently asked question in many forums.

that it all depends on the context. There is no single word or phrase in English for it.

某银行世界排名第三。X Bank ranks third in the world" and onward."

Other means of expressing that idea include "where" and "before.”

E.g. Where in the waiting list are you? 在 waiting list 上 你是第几?

How many children are there in the family before you? 你是第几个孩子

Were are you in her line of husbands? 你是她的第几任丈夫?