英语学习资料：如何用英语表达数字?
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用英语表达数字，无论是对学生还是听者来说都是容易令人困惑的。通过遵循以下这些规则，可以确保你懂得如何用英语表达数字。
Below you will find numbers written out in order to helps students learn the correct grouping in English. Generally speaking, numbers larger than twenty should always be expressed by numbers in written English:
你会发现下面写出的数字是为了帮助学生学习正确的分组。一般来说，大于二十的数在书面英语中应该用数字表示：
I have fifteen clients in New York.
我在纽约有十五个客户。
She has 240 contacts on her mailing list.
她的邮件列表上有240个联系人。
Tens
十位数
Say individual numbers between one and twenty. After that, use the tens (twenty, thirty, etc.) followed by the numbers one through nine:
一到二十之间，我们读单个的数字。二十往后，使用十位数(二十，三十等)，紧接数字一到九：
7 - seven
19 - nieen
32 - thirty-two
89 - eighty-nine
When expressing large numbers (more than one hundred) read in groups of hundreds. The order is as follows: billion, million, thousand, hundred. Notice that hundred, thousand, etc. is NOT followed by an "s"
当表达大数字时(超过一百)，以“百”为单位来读。顺序如下：十亿，百万，千，百。请注意，百、千等词后面不加“s”
Two hundred NOT two hundreds
Two hundred不是two hundreds
Hundreds
百位数
Say numbers in the hundreds by beginning with numerals one through nine followed by "hundred". Finish by saying the last two digits:
读百位数以一到九开始，紧接着“hundred”，以末尾的两位数结束：
350 – three hundred fifty
425 – four hundred twenty-five
873 - eight hundred seventy-three
112 - one hundred twelve
NOTE: British English takes "and" following "hundred." American English omits "and:".
注：英式英语会在“hunderd”后加上“and”。美式英语则省略“and”。
Thousands
千位数
The next group is the thousands. Say a number up to 999 followed by "thousand." Finish by reading the hundreds when applicable:
下一组是千位数。先读出999以内的数字，后面紧接“thousand”，然后必要时，以百位数来结束。
15,560 – fifteen thousand five hundred sixty
786,450 – seven hundred six thousand four hundred fifty
342,713 - three hundred forty-two thousand seven hundred thirteen
569,045 - five hundred sixty-nine thousand forty-five
Millions
百万位
For millions, say a number up to 999 followed by "million." Finish by saying first the thousands and then the hundreds when applicable:
对于百万位的数，先读出999以内的数字，后面紧接“million”，然后必要时，先以千位数，再以百位数来结束。
2,450,000 – two million four hundred fifty thousand
27,805,234 - twenty seven million eight hundred five thousands two hundred thirty-four
934,700,000 – nine hundred thirty-four million seven hundred thousand
589,432,420 - five hundred eighty nine million four hundred thirty-two thousand four hundred twenty
For even larger numbers, first use billions and then trillions in a similar manner to millions:
对于更大的数字，先用十亿位，再用万亿位，然后以相同的方式表达百万位。
23,870,550,000 - twenty-three billion eight hundred seventy million five hundred fifty thousand
12,600,450,345,000 - twelve trillion six hundred billion four hundred fifty million three hundred forty-five thousand
Large numbers are often rounded to the next biggest or next *** allest number to make things easier. For example, 345,987,650 is rounded to 350,000,000.
过于大量的末尾数往往被舍入到下一位最大或最小的整数，这样就使读数变得更容易。例如，345987650被舍入到350000000。
Decimals
小数
Speak decimals as the number followed by "point." Next, say each number beyond the point individually:
读小数就读出数字，紧接着加上“point”。然后后面的数字分别单独来读就行。
2.36 - two point three six
14.82 - fourteen point eight two
9.7841 -nine point seven eight four one
3.14159 - three point one four one five nine
Percentages
百分数
Speak percentages as the number followed by "percent"
读百分数就读出数字，紧接“percent”
37% - thirty-seven percent
12% - twelve percent
87% - eighty-seven percent
3% - three percent
Fractions
分数
Speak the top number as a cardinal number, followed by the ordinal number + "s"
分数线上面的数字读基数词，分数线下面的数字读序数词加“s”。
3/8 - three-eighths
5/16 - five-sixteenths
7/8 - seven-eighths
1/32 - one thirty-second
Exceptions to this rule are:
这个规则的例外情况是：
1/4, 3/4 - one-quarter, three quarters
1/3, 2/3 - one third, two-thirds
1/2 - one-half
Read numbers together with fractions by first starting the number followed by "and" and then the fraction:
读带分数的方法是先读前面的数字，再加上“and”，然后读分数。
4 7/8 - four and seven-eighths
23 1/2 - twenty-three and one-half
Important Numerical Expressions
重要的数字表达
Here are the descriptive names of a number of important numerical expressions:
下面是描述性名称的重要数值表达：
Speed - 100 mph (miles per hour)
速度 - 100英里/小时(英里/小时)
Read speed as numbers: One hundred miles per hour
读速度值: One hundred miles per hour
Weight - 42 lb. (pounds)
重量 - 42磅(磅)
Read weight as numbers: forty-two pounds
读体重值：forty-two pounds
Telephone number - 0171 895 7056
电话 - 0171 895 7056
Read telephone numbers in individual numbers: zero one seven one eight nine five seven zero five six
读电话要单独读出每个数字：zero one seven one eight nine five seven zero five six
Dates - 12/04/65
日期 - 12/04/65
read dates, month, day, year
读出日期，月，日，年
Temperature - 72° F (Fahrenheit)
温度 - 72华氏度(华氏温度)
Read temperature as "degrees +number": seventy-two degrees fahrenheit
读温度的方式是“degrees +number”： seventy-two degrees fahrenheit
Height - 6'2''
高度 - 6'2''
Read height in feet and then inches: six feet two inches
读高度，先读英尺，再读英寸： six feet two inches
Price - $60
价格 - $60
Read the currency first the number, then the currency: Sixty dollars
读钱数，先读数字，再读货币单位：Sixty dollars
Express dollars by stating the dollar amount followed by cents:
表达美元，先读美元，再读美分：
$43.35 - forty-three dollars thirty-five cents
$120.50 - one hundred twenty dollars fifty cents
Native speakers often just say first the dollar number and then the cents number and drop "dollars" and "cents"
以英语为母语的人，经常只先说美元，然后是美分的数字，通常省略“dollars”和“cents”
35.80 - thirty-five eighty
175.50 - one hundred seventy-five fifty
Score - 2-1
比分 - 2 - 1
Read scores as "number + to + number": Two to one
读分数这样读：“数字 + to + 数字”：Two to one
Ordinal Numbers
序数词
Ordinal numbers are used when speaking about the day of the month, or the position in a group. Most numbers end in 'th', except "first", "second", and "third" of every ten numbers:
序数词是用来表达某月中的某一天，或在一个群体中的位置。除了个位十个数字中的“第一”、“第二”和“第三”外，大多数序数词都以“th”结尾：
2nd - second
第二
3rd - third
第三
5th - fifth
第五
17th - seventeenth
第十七
8th - eighth
第八
21 - twenty-first
第二十一
46 - forty-sixth
第四十六
