序数词,13 14 15 16 17 18 19 20 30 40 50 60 70 80 90 用英语怎么写

问题描述:

序数词,13 14 15 16 17 18 19 20 30 40 50 60 70 80 90 用英语怎么写

thirteen.fourteen.fifteen.sixteen.seventeen.eighteen.nineteen 13 14 15 16 17 18 19 20th 30th 40th 50th 60th 70th 80th 90th 100th twentieth thirtieth fortieth fiftieth sixtieth seventieth eightieth nin...