初級英語數詞用法?基數詞(Cardinal Numerals)指表示數目的詞下面是最基本的基數詞,其他數目都由這些基數詞構成:,今天小編就來聊一聊關于初級英語數詞用法?接下來我們就一起去研究一下吧!
基數詞(Cardinal Numerals)指表示數目的詞。下面是最基本的基數詞,其他數目都由這些基數詞構成:
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
30 thirty
40 forty
50 fifty
60 sixty
70 seventy
80 eighty
90 ninety
100 a hundred
1,000 a thousand
1,000,000 a million
1,000,000,000 a billion(十億)
除了上述列出的詞外,其他基數詞構成的方法如下:
a. 21—99:
先說“幾十”,再說“幾”,中間要加連字号:
32 thirty-two
59 fifty-nine
81 eighty-one
93 ninety-three
b. 101—999:
先說“幾百”,再加and,再加末尾兩位數或末位數:
375 three hundred and seventy-five
582 five hundred and eighty-two
819 eight hundred and nineteen
902 nine hundred and two
c. 1,000以上的詞:
先從後向前數,每三位數加一個逗号,用這個方法把數目分作若幹段,再一段段地念;第一個逗号前的數為thousand,第二個逗号前的數為million,第三個逗号前的數為billion,例如:
4,007
four thousand and seven
8,021
eight thousand and twenty-one
13,849
thirteen thousand, eight hundred and forty-nine
631,562
six hundred and thirty-one thousand, five hundred and sixty-two
54,256,000
fifty-four million, two hundred and fifty-six thousand
970,000,000
nine hundred and seventy million
14,800,000,000
fourteen billion, eight hundred million
2,000,000,000,000
two trillion(兩萬億)
在這類數詞中,hundred, thousand, million, billion 等詞都用單數形式。
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