精选优质文档-倾情为你奉上Lesson 3基数词&序数词一、基数词1. 1-10 ( one, two, three, four, five, six, seven, eight, nine, ten)2. 11-19 (eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen)3. 两位数(非整数),十位数和个位数之间用连字符“-”。 ( 21 twenty-one; 76 seventy-six)4. 两位数(整数),以ty结尾; (40 forty; 90 ninety)4. 三位数,在百位数和十位数之间用and连接。 101 a hundred and one; 320 three hundred and twenty; 648 six hundred and forty-eight5. 百(hundred),千(thousand),百万(million),千万(billion)6. 表示确切的百、