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
当分数后面接名词时,如果分数表示的值大于1,名词用复数;小于1,名词用单数.
1 1/2 hours 一个半小时(读作 one and a half hours);
2 3/4 meters 二又四分之三米(读作two and three-fourths meters);
4/5 meter 五分之四米;
5/6 inch 六分之五英寸;
表示“n次方”的说法:指数用序数词,底数用基数词.
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)