第21的英文 _英文

第21的英文基数词
0 zero 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 21 twenty-one 22 twenty-two
23 twenty-three
30 thirty 32 thirty-two 40 forty
50 fifty 60 sixty
70 seventy 80 eighty 90 ninety
100 one hundred 101 one hundred and one
156 one hundred and fifty-six
192 one hundred and ninety-two
200 two hundred 300 three hundred
400 four hundred 500 five hundred ......
1,000 one thousand
1,001 one thousand and one
1,300 thirteen hundred; one thousand and three hundred
2,000 two thousand
2,034 two thousand and thirty-four
6,502 six thousand five hundred and two
45,672 forty-five thousand six hundred and seventy-two
500,000 five hundred thousand
1,000,000 one million
3,123,400 three million, one hundred and twenty-three thousand and four hundred
8,000,000 eight million
47,000,000 forty-seven million
900,000,000 nine hundred million
1,000,000,000 a milliard, one milliard(美作:a billion, one billion)
1,050,000,000 one billion and fifty million
10,000,000,000 ten billion
200,000,000,000 two hundred billion
1,000,000,000,000 one thousand billion(美作:a trillion, one trillion)

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序数词
first第一 second第二 third第三
fourth第四 fifth第五 sixth第六
seventh第七 eighth第八 ninth第九
tenth第十 eleventh第十一
twelfth第十二 thirteenth第十三
fourteenth第十四 fifteenth第十五
sixteenth第十六 seventeenth第十七
eighteenth第十八 nineteenth第十九
twentieth第二十 twenty-first第二十一
twenty-second第二十二 twenty-third第二十三
thirtieth第三十 thirty-first第三十一
fortieth第四十 fiftieth第五十 sixtieth第六十
seventieth第七十 eightieth第八十
ninetieth第九十 (one)hundredth第一百
(one)hundred and first第一百零一
hundred and thirty-fourth第一百三十四
two-hundredth 第二百
three-hundredth 第三百
four-hundredth 第四百
five-hundredth 第五百
six-hundredth 第六百
seven-hundredth 第七百
eight-hundredth 第八百
nine-hundredth 第九百
(one)thousandth 第一千
thousand and first 第一千零一
two thousand and thirty-fourth 第二千零三十四
ten thousandth 第一万
(one)millionth 第一百万(美作:billionth)
billionth 第十亿(美作:trillionth)

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分数
1/2 : one-half; a half 1/3 : one-third
3/4 : three-fourths 1/5 : one-fifth
2/5 : two-fifths 1/10 : one-tenth; a tenth
1/100 : one-hundredth; one per cent
1/1000 : one-thousandth
1/10000 : one ten-thousandth
100% : one hundred per cent
0.5% : point five per cent
0.46% : point four six per cent
2.05 : two point nought five; two point O five
6.003 : six point nought nought three; six point O O three
78.12 : seventy-eight point one two
日期的表示法
日期的写法(书面语)和读法(口语)稍有不同,
如“十月一日”可以写成 October 1, October 1st,
1 October, 1st October, (the) 1st of October 等,
表示月份的词也可用缩略式,如 Oct. 1, 1 Oct.,
但是在口语中通常只有两种读法 October (the) first或the first of October 。