英语数字思维导图

# 《英语数字思维导图》

## 一、数字基础 (Number Fundamentals)

### 1.1 基数词 (Cardinal Numbers)

#### 1.1.1 基本数字 (Basic Numbers: 0-19)

*   Zero (0)
*   One (1)
*   Two (2)
*   Three (3)
*   Four (4)
*   Five (5)
*   Six (6)
*   Seven (7)
*   Eight (8)
*   Nine (9)
*   Ten (10)
*   Eleven (11)
*   Twelve (12)
*   Thirteen (13)
*   Fourteen (14)
*   Fifteen (15)
*   Sixteen (16)
*   Seventeen (17)
*   Eighteen (18)
*   Nineteen (19)

#### 1.1.2 十位数 (Tens: 20-90)

*   Twenty (20)
*   Thirty (30)
*   Forty (40)
*   Fifty (50)
*   Sixty (60)
*   Seventy (70)
*   Eighty (80)
*   Ninety (90)

#### 1.1.3 百位数及以上 (Hundreds and Above)

*   Hundred (100)
*   Thousand (1,000)
*   Million (1,000,000)
*   Billion (1,000,000,000)
*   Trillion (1,000,000,000,000)
*   组合方式： (e.g., one hundred and twenty-three, two thousand four hundred and fifty-six)

### 1.2 序数词 (Ordinal Numbers)

#### 1.2.1 基本序数词 (Basic Ordinal Numbers)

*   First (1st)
*   Second (2nd)
*   Third (3rd)
*   Fourth (4th)
*   Fifth (5th)
*   Sixth (6th)
*   Seventh (7th)
*   Eighth (8th)
*   Ninth (9th)
*   Tenth (10th)
*   Eleventh (11th)
*   Twelfth (12th)
*   Thirteenth (13th)
*   ...

#### 1.2.2 规则与不规则变化 (Regular and Irregular Changes)

*   大部分以 "-th" 结尾 (e.g., fourth, fifth, sixth)
*   特殊变化：first, second, third

### 1.3 分数 (Fractions)

#### 1.3.1 表达方式 (Expression)

*   分子用基数词，分母用序数词 (e.g., one-third, two-fifths)
*   分子大于1时，分母序数词用复数 (e.g., two-thirds, three-quarters)

#### 1.3.2 常用分数 (Common Fractions)

*   Half (1/2)
*   Quarter (1/4)
*   Third (1/3)

### 1.4 小数 (Decimals)

#### 1.4.1 表达方式 (Expression)

*   用 "point" 连接整数部分和小数部分 (e.g., 3.14 - three point one four)
*   小数点后的每一位数字单独读 (e.g., 0.05 - zero point zero five)

## 二、数字应用 (Number Applications)

### 2.1 时间 (Time)

#### 2.1.1 表达方式 (Expression)

*   报时： 用 "o'clock" 表示整点 (e.g., 3 o'clock)
*   分钟： "past" 表示过了几分, "to" 表示差几分 (e.g., ten past three, twenty to four)
*   a quarter (15 分), half past (30 分)
*   AM (上午), PM (下午)

#### 2.1.2 数字时钟 vs. 模拟时钟 (Digital vs. Analog Clocks)

*   数字时钟：直接显示数字 (e.g., 14:30 - fourteen thirty)
*   模拟时钟：通过指针位置读取时间

### 2.2 日期 (Dates)

#### 2.2.1 表达方式 (Expression)

*   英式英语：日/月/年 (e.g., 1st January, 2023)
*   美式英语：月/日/年 (e.g., January 1st, 2023)
*   年份：分开读或者按两位数读 (e.g., 1995 - nineteen ninety-five)

#### 2.2.2 常用月份 (Months)

*   January, February, March, April, May, June, July, August, September, October, November, December

### 2.3 货币 (Currency)

#### 2.3.1 表达方式 (Expression)

*   先说金额，再说货币单位 (e.g., ten dollars, five pounds)
*   小数点后的金额：用 "point" 连接 (e.g., $10.50 - ten dollars and fifty cents)

#### 2.3.2 常用货币单位 (Common Currency Units)

*   Dollar ($), Cent (¢)
*   Pound (£), Pence (p)
*   Euro (€), Cent (€)

### 2.4 电话号码 (Phone Numbers)

#### 2.4.1 表达方式 (Expression)

*   逐个数字读 (e.g., 123-456-7890 - one two three, four five six, seven eight nine zero)
*   重复的数字可以用 "double" 或 "triple" (e.g., 555 - double five five)
*   “0” 可以读作 "zero" 或 "oh"

### 2.5 度量衡 (Measurements)

#### 2.5.1 单位 (Units)

*   长度：meter (米), kilometer (千米), inch (英寸), foot (英尺), mile (英里)
*   重量：gram (克), kilogram (千克), pound (磅), ounce (盎司)
*   容量：liter (升), milliliter (毫升), gallon (加仑), quart (夸脱)
*   温度：Celsius (°C), Fahrenheit (°F)

#### 2.5.2 表达方式 (Expression)

*   先说数字，再说单位 (e.g., 10 kilograms, 2 meters)

### 2.6 统计数据 (Statistics)

#### 2.6.1 平均数 (Average/Mean)
* 計算方式：數字之和除以數字的個數
* 例子：The average score was 85.

#### 2.6.2 百分比 (Percentage)
* 表示方式：用百分号 (%) 表示
* 例子：25% of the students failed the exam.

## 三、数字相关表达 (Number-Related Expressions)

### 3.1 成语/俗语 (Idioms/Sayings)

*   "Two heads are better than one" (集思广益)
*   "Kill two birds with one stone" (一石二鸟)
*   "On cloud nine" (乐不可支)
*   "Sixth sense" (第六感)
*   "Back to square one" (回到原点)
*   "The eleventh hour" (最后时刻)
*   "Third time's a charm" (事不过三)
*   "Two wrongs don't make a right" (以错还错)

### 3.2 数学运算 (Mathematical Operations)

*   Addition (+): plus
*   Subtraction (-): minus
*   Multiplication (×): multiplied by, times
*   Division (÷): divided by
*   Equals (=): equals, is

### 3.3 数量词 (Quantifiers)

*   A lot of, many, much, a few, a little, several, some

## 四、数字文化 (Number Culture)

### 4.1 吉利数字 (Lucky Numbers)

*   根据不同文化，某些数字被认为是吉利的 (e.g., 在中国，数字“8”被认为是吉利的)

### 4.2 不吉利数字 (Unlucky Numbers)

*   根据不同文化，某些数字被认为是不吉利的 (e.g., 在西方，数字“13”被认为是不吉利的)

### 4.3 数字与迷信 (Numbers and Superstition)

*   某些数字与特定的迷信相关 (e.g., 星期五和13号)

《英语数字思维导图》

一、数字基础 (Number Fundamentals)

1.1 基数词 (Cardinal Numbers)

1.1.1 基本数字 (Basic Numbers: 0-19)

Zero (0)
One (1)
Two (2)
Three (3)
Four (4)
Five (5)
Six (6)
Seven (7)
Eight (8)
Nine (9)
Ten (10)
Eleven (11)
Twelve (12)
Thirteen (13)
Fourteen (14)
Fifteen (15)
Sixteen (16)
Seventeen (17)
Eighteen (18)
Nineteen (19)

1.1.2 十位数 (Tens: 20-90)

Twenty (20)
Thirty (30)
Forty (40)
Fifty (50)
Sixty (60)
Seventy (70)
Eighty (80)
Ninety (90)

1.1.3 百位数及以上 (Hundreds and Above)

Hundred (100)
Thousand (1,000)
Million (1,000,000)
Billion (1,000,000,000)
Trillion (1,000,000,000,000)
组合方式： (e.g., one hundred and twenty-three, two thousand four hundred and fifty-six)

1.2 序数词 (Ordinal Numbers)

1.2.1 基本序数词 (Basic Ordinal Numbers)

First (1st)
Second (2nd)
Third (3rd)
Fourth (4th)
Fifth (5th)
Sixth (6th)
Seventh (7th)
Eighth (8th)
Ninth (9th)
Tenth (10th)
Eleventh (11th)
Twelfth (12th)
Thirteenth (13th)
...

1.2.2 规则与不规则变化 (Regular and Irregular Changes)

大部分以 "-th" 结尾 (e.g., fourth, fifth, sixth)
特殊变化：first, second, third

1.3 分数 (Fractions)

1.3.1 表达方式 (Expression)

分子用基数词，分母用序数词 (e.g., one-third, two-fifths)
分子大于1时，分母序数词用复数 (e.g., two-thirds, three-quarters)

1.3.2 常用分数 (Common Fractions)

Half (1/2)
Quarter (1/4)
Third (1/3)

1.4 小数 (Decimals)

1.4.1 表达方式 (Expression)

用 "point" 连接整数部分和小数部分 (e.g., 3.14 - three point one four)
小数点后的每一位数字单独读 (e.g., 0.05 - zero point zero five)

二、数字应用 (Number Applications)

2.1 时间 (Time)

2.1.1 表达方式 (Expression)

报时：用 "o'clock" 表示整点 (e.g., 3 o'clock)
分钟： "past" 表示过了几分, "to" 表示差几分 (e.g., ten past three, twenty to four)
a quarter (15 分), half past (30 分)
AM (上午), PM (下午)

2.1.2 数字时钟 vs. 模拟时钟 (Digital vs. Analog Clocks)

数字时钟：直接显示数字 (e.g., 14:30 - fourteen thirty)
模拟时钟：通过指针位置读取时间

2.2 日期 (Dates)

2.2.1 表达方式 (Expression)

英式英语：日/月/年 (e.g., 1st January, 2023)
美式英语：月/日/年 (e.g., January 1st, 2023)
年份：分开读或者按两位数读 (e.g., 1995 - nineteen ninety-five)

2.2.2 常用月份 (Months)

January, February, March, April, May, June, July, August, September, October, November, December

2.3 货币 (Currency)

2.3.1 表达方式 (Expression)

先说金额，再说货币单位 (e.g., ten dollars, five pounds)
小数点后的金额：用 "point" 连接 (e.g., $10.50 - ten dollars and fifty cents)

2.3.2 常用货币单位 (Common Currency Units)

Dollar ($), Cent (¢)
Pound (£), Pence (p)
Euro (€), Cent (€)

2.4 电话号码 (Phone Numbers)

2.4.1 表达方式 (Expression)

逐个数字读 (e.g., 123-456-7890 - one two three, four five six, seven eight nine zero)
重复的数字可以用 "double" 或 "triple" (e.g., 555 - double five five)
“0” 可以读作 "zero" 或 "oh"

2.5 度量衡 (Measurements)

2.5.1 单位 (Units)

长度：meter (米), kilometer (千米), inch (英寸), foot (英尺), mile (英里)
重量：gram (克), kilogram (千克), pound (磅), ounce (盎司)
容量：liter (升), milliliter (毫升), gallon (加仑), quart (夸脱)
温度：Celsius (°C), Fahrenheit (°F)

2.5.2 表达方式 (Expression)

先说数字，再说单位 (e.g., 10 kilograms, 2 meters)

2.6 统计数据 (Statistics)

2.6.1 平均数 (Average/Mean)

計算方式：數字之和除以數字的個數
例子：The average score was 85.

2.6.2 百分比 (Percentage)

表示方式：用百分号 (%) 表示
例子：25% of the students failed the exam.

三、数字相关表达 (Number-Related Expressions)

3.1 成语/俗语 (Idioms/Sayings)

"Two heads are better than one" (集思广益)
"Kill two birds with one stone" (一石二鸟)
"On cloud nine" (乐不可支)
"Sixth sense" (第六感)
"Back to square one" (回到原点)
"The eleventh hour" (最后时刻)
"Third time's a charm" (事不过三)
"Two wrongs don't make a right" (以错还错)

3.2 数学运算 (Mathematical Operations)

Addition (+): plus
Subtraction (-): minus
Multiplication (×): multiplied by, times
Division (÷): divided by
Equals (=): equals, is

3.3 数量词 (Quantifiers)

A lot of, many, much, a few, a little, several, some

四、数字文化 (Number Culture)

4.1 吉利数字 (Lucky Numbers)

根据不同文化，某些数字被认为是吉利的 (e.g., 在中国，数字“8”被认为是吉利的)

4.2 不吉利数字 (Unlucky Numbers)

根据不同文化，某些数字被认为是不吉利的 (e.g., 在西方，数字“13”被认为是不吉利的)

4.3 数字与迷信 (Numbers and Superstition)

某些数字与特定的迷信相关 (e.g., 星期五和13号)

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