英语中的基数词是什么?序数词又是什么?答:3、1~30的序数词的缩写如下: 1st , 2nd , 3rd , 4th , 5th , 6th, 7th , 8th ,9th ,10th; 11th,12th,13th,14th,15th,16th,17th,18th,19th,20th; 21st , 22nd , 23rd , 24th , 25th , 26th, 27th , 28th ,29th ,30th。 扩展资料 序数词的语法: 在英语中,使用序数词时前面要加定冠词 the...