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Top 20 Must-Know Digital Adjective Words in English for Easy Learning

在英语中,数字形容词(Numeral Adjectives)用于描述数量或顺序,是日常交流和写作中不可或缺的一部分,掌握这些词汇不仅能提升语言表达的准确性,还能让沟通更高效,本文将详细介绍基数词、序数词、倍数词等数字形容词的用法,并提供实用例句,帮助读者轻松掌握这些词汇。

Top 20 Must-Know Digital Adjective Words in English for Easy Learning-图1

基数词(Cardinal Numbers)

基数词表示具体的数量,用于回答“多少”的问题,以下是1到20的基数词及其拼写:

  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

基数词的用法

  1. 计数

    • There are five apples on the table.(桌上有五个苹果。)
    • She has three brothers.(她有三个兄弟。)
  2. 表示年龄

    • He is ten years old.(他十岁了。)
  3. 电话号码、年份

    • My phone number is five-five-five-one-two-three-four.(我的电话号码是555-1234。)
    • The event took place in nineteen ninety-nine.(该事件发生在1999年。)

序数词(Ordinal Numbers)

序数词表示顺序或排名,通常用于日期、比赛名次等场景,以下是1到20的序数词:

  1. first (1st)
  2. second (2nd)
  3. third (3rd)
  4. fourth (4th)
  5. fifth (5th)
  6. sixth (6th)
  7. seventh (7th)
  8. eighth (8th)
  9. ninth (9th)
  10. tenth (10th)
  11. eleventh (11th)
  12. twelfth (12th)
  13. thirteenth (13th)
  14. fourteenth (14th)
  15. fifteenth (15th)
  16. sixteenth (16th)
  17. seventeenth (17th)
  18. eighteenth (18th)
  19. nineteenth (19th)
  20. twentieth (20th)

序数词的用法

  1. 日期表达

    • Today is the fifth of June.(今天是6月5日。)
  2. 比赛名次

    Top 20 Must-Know Digital Adjective Words in English for Easy Learning-图2

    • She finished in second place.(她获得了第二名。)
  3. 楼层、章节

    • The meeting room is on the third floor.(会议室在三楼。)
    • Please read the twelfth chapter.(请阅读第十二章。)

倍数词(Multiplicative Numbers)

倍数词用于表示“几倍”的概念,常见的有:

  • once(一次/一倍)
  • twice(两次/两倍)
  • three times(三次/三倍)
  • four times(四次/四倍)

倍数词的用法

  1. 比较倍数

    • This box is twice as heavy as that one.(这个箱子比那个重两倍。)
  2. 频率表达

    • I go to the gym three times a week.(我每周去健身房三次。)

分数词(Fractional Numbers)

分数词用于表示部分数量,如“一半”“三分之一”等,常见的分数词包括:

  • half(1/2)
  • a third(1/3)
  • a quarter(1/4)
  • three-fourths(3/4)

分数词的用法

  1. 描述比例

    • Half of the students passed the exam.(一半的学生通过了考试。)
  2. 测量单位

    Top 20 Must-Know Digital Adjective Words in English for Easy Learning-图3

    • Add a quarter teaspoon of salt.(加入四分之一茶匙盐。)

特殊数字形容词

  1. Pair(一对)

    • She bought a pair of shoes.(她买了一双鞋。)
  2. Dozen(一打,12个)

    • I need a dozen eggs.(我需要一打鸡蛋。)
  3. Score(二十)

    • Lincoln’s Gettysburg Address begins with “Four score and seven years ago…”(林肯的《葛底斯堡演说》以“八十七年前”开头。)

常见错误与纠正

  1. 基数词与序数词混淆

    • ❌ He came in the two place.
    • ✅ He came in the second place.(他获得了第二名。)
  2. 分数词单复数误用

    • Two-third of the cake is gone.
    • Two-thirds of the cake is gone.(蛋糕的三分之二被吃掉了。)
  3. 倍数词搭配不当

    • ❌ This car is twice faster than that one.
    • ✅ This car is twice as fast as that one.(这辆车比那辆快两倍。)

实用练习

  1. 用基数词填空:

    Top 20 Must-Know Digital Adjective Words in English for Easy Learning-图4

    • There are ___ (7) days in a week.
    • She has ___ (15) books on her shelf.
  2. 用序数词填空:

    • December is the ___ (12) month of the year.
    • My birthday is on the ___ (3) of August.
  3. 用倍数词造句:

    • This laptop costs ___ (three times) as much as the old one.

掌握数字形容词的用法,能让英语表达更精准,无论是日常对话还是正式写作,正确使用这些词汇都能提升语言质量。

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