英語基數(shù)詞百位數(shù)的寫法
一、英語基數(shù)詞百位數(shù)的寫法, 它的規(guī)律是:個數(shù)基數(shù)詞形式加“hundred”,表示幾百,在幾十幾與百位間加上and.例如:
101 a hundred and one
320 three hundred and twenty
648 six hundred and forty eight
523 five hundred and twenty three
325 three hundred and twenty five
428 four hundred and twenty eight
102 one hundred and two
999 nine hundred and ninety nine.
二、分數(shù)表示法
1. 分數(shù)是由基數(shù)詞和序數(shù)詞一起來表示的?;鶖?shù)詞作分子,序數(shù)詞作分母,除了分子是“1”以外,其它情況下序數(shù)詞都要用復數(shù)形式。
3/4 three fourths或 three quarters
1/3 one third或a third
24/25 twenty-four twenty-fifths
3 1/4 three and one fourth或 three and one quarter
1/2 a half
1/4 one quarter或a quarter
1 1/2 one and a half
1 1/4 one and a quarter
2. 當分數(shù)后面接名詞時,如果分數(shù)表示的值大于1,名詞用復數(shù);小于1,名詞用單數(shù)。
1 1/2 hours 一個半小時(讀作 one and a half hours)
2 3/4 meters 二又四分之三米(讀作two and three-fourths meters)
4/5 meter 五分之四米
5/6 inch 六分之五英寸
3. 表示“n次方”的說法:指數(shù)用序數(shù)詞,底數(shù)用基數(shù)詞。
10的7次方 the seventh power of ten(ten to the seventh power)
6的10次方 the tenth power of six(six to the tenth power)