英語數(shù)詞詞匯整理
數(shù)詞是表示數(shù)量或順序的詞，下面小編為大家整理了一些關(guān)于英語數(shù)詞的詞匯，一起來看看吧：
基數(shù)詞
基數(shù)詞(cardinal number)
表示數(shù)量的多少，如：
There are 7 members in my family.
a, 基數(shù)詞的表達方法，如：
seven 7 eighteen 18
eighty 80 twenty-one 21
three hundred and forty-five 345
b, 英語中的單位數(shù)詞，如：
hundred 百 thousand 千
million 百萬 billion 十億
1 ， 000 ， 000 ， 000
billion million thousand
c, 基數(shù)詞的讀法(練習(xí))：
268
1，369
2，684，651
4，968，752，353
序數(shù)詞
序數(shù)詞(Ordinal Number)
表示排列的順序，如：
The first time I saw him was yesterday.
第一 first 第十三 thirteenth
第二 second 第十四 fourteenth
第三 third 第十五 fifteenth
第四 fourth 第十六 sixteenth
第五 fifth 第十七 seventeenth
第六 sixth 第十八 eighteenth
第七 seventh 第十九 nineteenth
第八 eighth 第二十 twentieth
第九 ninth 第二十一 twenty-first
第十 tenth 第二十二 twenty-second
第十一 eleventh
第二十三 twenty-fourth
第十二 twelfth 第二十四 twenty-fourth
數(shù)詞的其他用法
1. 小數(shù)的表達
小數(shù)點左邊的數(shù)通常按基數(shù)詞來讀，若為三位以上的數(shù)，也可按編碼式讀法讀出，即將數(shù)字單個讀出;小數(shù)點右邊的數(shù)通常按編碼式讀法單個讀出。
6.86 six point eight six
14.15 fourteen point one five
345.456 three four five point four five six
345.456 three hundred and forty-five point four five six
0在小數(shù)中通常讀作zero，也可讀作字母o。如：
9.07 nine point o(zero) seven
2. 倍數(shù)的'表達
用基數(shù)詞加times表示，如：
Productivity has increased three times.
The girl is ten times cleverer than her brother.
Americans eat twice as much proteinas they actually need every day.
3. 百分數(shù)的表達(其中的百分號%讀作percent)
6%讀作：six percent
0.6%讀作：zero point six percent
500%讀作：five hundred percent
12.34%讀作：twelve point three four percent
4. 分數(shù)的表達
a, 較小分數(shù)的一般讀寫方法。如：
1/3 one-third
2/3 two-thirds
3/5 three-fifths
b, 較復(fù)雜分數(shù)的簡明讀寫方法。如：
22/9 twenty-two over nine
43/97 forty-three over ninety-seven
c, 整數(shù)與分數(shù)之間須用and連接。如：
四又二分之一 four and a half
九又五分之二 nine and two fifths
5. 數(shù)學(xué)運算的表達
6+5=11
Six plus five is eleven.
或 Six and five is eleven.
11-6=5
Eleven minus six is five.
或 Six from eleven is five.
4×5=20
Four multiplied by five is twenty.
或 Four times five is twenty.
20÷4=5
Twenty divided by four is five.
或 Four into twenty goes five.
15:5=3
The ratio of fifteen to five is three.
2的2次方是4 Two squared is four.
2的3次方是8 Two cubed is eight.
2的4次方是16 The fourth power of two is sixteen.
a > b a is more than b.
a < b a is less than b.
a ≈ b a approximately equals to b.
a ≠ b a is not equal to b.
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