数词
基数词
构成形式
| 数字 | 英文 |
|---|---|
| 1 | one |
| 2 | two |
| 3 | three |
| 4 | four |
| 5 | five |
| 6 | six |
| 7 | seven |
| 8 | eight |
| 9 | nine |
| 10 | ten |
| 11 | eleven |
| 12 | twelve |
| 13 | thirteen |
| 14 | fourteen |
| 15 | fifteen |
| 16 | sixteen |
| 17 | seventeen |
| 18 | eighteen |
| 19 | nineteen |
| 20 | twenty |
| 数字 | 英文 |
|---|---|
| 30 | thirty |
| 40 | forty |
| 50 | fifty |
| 60 | sixty |
| 70 | seventy |
| 80 | eighty |
| 90 | ninety |
| 100 | one hundred |
| 数字 | 英文 |
|---|---|
| 21 | twenty-one |
| 35 | thirty-five |
| 48 | forty-eight |
| 62 | sixty-two |
| 77 | seventy-seven |
| 89 | eighty-nine |
| 99 | ninety-nine |
| 数字 | 英文 |
|---|---|
| 100 | one hundred |
| 101 | one hundred and one |
| 110 | one hundred and ten |
| 120 | one hundred and twenty |
| 200 | two hundred |
| 300 | three hundred |
| 400 | four hundred |
| 500 | five hundred |
| 600 | six hundred |
| 700 | seven hundred |
| 800 | eight hundred |
| 900 | nine hundred |
| 999 | nine hundred and ninety-nine |
| 1000 | one thousand |
| 数字 | 英文 |
|---|---|
| 1,000 | one thousand |
| 10,000 | ten thousand |
| 100,000 | one hundred thousand |
| 1,000,000 | one million |
| 10,000,000 | ten million |
| 100,000,000 | one hundred million |
| 1,000,000,000 | one billion |
可充当的句子成分
One and two is three. 一加二等于三
It costs fifty (Yuan). 它要(花费)50元
You two can go with me. 你们两个可以跟我一起去 （two 做 同位语）
不确定的数字
hundreds of
thousands of
thousands of carrots
数以千计的(几千根)胡萝卜
tens of thousands of carrots
数以万(多个”十个千”)计的胡萝卜
hundreds of thousands of carrots
几十万根胡萝卜
millions of
序数词
^164da9
构成形式
| 数字 | 正确序数词 |
|---|---|
| 1 | first |
| 2 | second |
| 3 | third |
| 数字 | 序数词 |
|---|---|
| 4 | fourth |
| 6 | sixth |
| 10 | tenth |
| 27 | twenty-seventh |
| 58 | fifty-eighth |
| 99 | ninety-ninth |
| 数字 | 序数词 | 说明 |
|---|---|---|
| 20 | twentieth | twenty → twentieth |
| 30 | thirtieth | thirty → thirtieth |
| 40 | fortieth | forty → fortieth |
| 数字 | 正确写法 |
|---|---|
| 21 | twenty-first |
| 42 | forty-second |
| 103 | one hundred and third |
可充当的句子成分
一般情况要加 the
但如果已经有其他限定词了，就不能加 the
This is my first book.
这是我的第一本书
Room 315
315号房(第315的房间)
The fifth to pay the bill will get this prize.
第五个付款的(人)将得到这个奖品
Please give me the second.
请给我第二个.
He is the 13th person to fall over this morning.
他是今天早上第13个摔倒的人了.
用法：
分数
one third 1/3
three fifths 3/5 （分子>1）
one second = a half
one fourth = a quarter
three fourths = three quarter
two and one third 2 1/3
小数
one point three four 1.34
zero point five seven 0.57
twelve point eight nine six 12.896
百分数
twenty-five percent 25%
two point five percent 2.5%
倍数
This carrot is half/twice/three times the size of that one.
这根胡萝卜是那一根的一半/两倍/三倍大小 (倍数 + the + 计量 + of)
I have half/twice/three times as many carrots as he has.
我有的胡萝卜是他有的一半/两倍/三倍. (我有两倍于他的胡萝卜.)(倍数 + as …as…)
I can eat three times faster than he can.
我吃东西的速度比他快三倍. (倍数+比较级+ than)
I have increased my income by three times.
我增加了三倍收入.(by 倍数)
数字符号和算术
| 英文表达 | 数学表达 |
|---|---|
| 2 plus 2 is 4 | 2 + 2 = 4 |
| 4 minus 2 is 2 | 4 - 2 = 2 |
| 2 multiplied by 3 is 6 | 2 × 3 = 6 |
| 2 times 3 is 6 | 2 × 3 = 6 |
| 8 divided by 4 is 2 | 8 ÷ 4 = 2 |
| 2 squared is 4 | 2² = 4 |
| 2 cubed is 8 | 2³ = 8 |
| 4 is more than 3 | 4 > 3 |
| 2 is less than 3 | 2 < 3 |
单位
时间
| 英文表达 | 数字时间 |
|---|---|
| at seven | 7:00 |
| a quarter past seven sevenfifteen | 7:15 |
| half past seven | 7:30 |
| ten to eight sevenfifty | 7:50 |
日期
英式：12th December, 2020
美式：December 12th, 2020
500 B.C. 公元前500年
500 A.D. 公元500年
2020 公元2020年
2020’s / 2020s 21世纪20年代
1980’s / 1980s 20世纪80年代
长度
| 英文[[形容词]] | 词性 | 对应名词 | 词性 |
|---|---|---|---|
| long | adj. | length | n. |
| wide | adj. | width | n. |
| high | adj. | height | n. |
The river is 1000 meters long.
这条河有1000米长
基数词 +单位词(复数) +形容词(长宽高)
The river is 1000 meters in length.
这条河有1000米长.
基数词 +单位词(复数) +in + (长宽高)名词
This room is 20 by 35 meters.
这个房间是20米×35米
This room is 700 square meters.
这个房间有700平方米
This box is 8 by 5 by 6 centimeters.
这个盒子的长宽高分别是8厘米，5厘米和6厘米
温度
37 degrees centigrade(可以省略) 37℃
37 degrees Fahrenheit 37°F
10 degrees below zero -10°