文档介绍：基数词与序数词一、10个数字0zero 1one2two 3three 4four 5five 6six7seven 8eight 9nine第1first第2second第3third第4fourth第5fifth第6sixth第7seventh第8eighth第9ninth第10tenth二、整十数字10ten 20twenty 30thirty 40forty 50fifty60sixty 70seventy 80eighty y ieth第100onehundredth三、几十数字11-19数字表示方法11eleven 12twelve 13thirteen 14fourteen 15fifteen 16sixteen 17seventeen 18eighteen eenth21-29数字表示方法21twenty-one 22twenty-two 23twenty-three 24twenty-four 25twenty-five 26twenty-six 27twenty-seven 28twenty-eight 29twenty-nine第21twenty-first第22twenty-second第23twenty-third第24twenty-fourth第25twenty-fifth第26twenty-sixth第27twenty-seventh第28twenty-eighth第29twenty-ninth记忆的时候要注意规律