20的序数词,还要30,40,50,60,70,80,90,100的答:20:twentiety 30:thirieth 40:fortirth 50:fiftieth 60:sixtieth 70:seventieth 80:eightieth 90:ninetieth 100:hunderdth 加的规律是:在基数词后加th (first,second,third除外)如果是t结尾,那么加h 如果是y结尾,那么把y改为ie,再加th 还有什么不懂的就发个信息给我吧,我会慢慢告诉你的!
基数词和序数词有什么区别?答:英语1到20的基数词和序数词怎么写基数词:one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve, thirteen, fourteen, fifteen, sixteen, seventeen,eighteen, nineteen. 序数词: 第1 first 1st 第2 second 2nd 第3 third 3rd 第4 fourth 4th 第5 fifth 5th 第6 sixth 6th 第7 seventh 7th ...