关于英文序号?请问1st,2nd,3rd,4th,5th写成1st,2nd,3rd,4st,5st对吗...答:4st 和 5st 是错误的 原来的1st,2nd,3rd,4th,5th是对的,不要改了.,9,1st,2nd,3rd,4th,5th 对的!楼上列举的正确,2,first=1st second=2nd third=3rd forth=4th fifth=5th st是何意?,1,你问的是序数词的缩写,方法为数字+英文单词本身的最后两个字母,如第一:1+first的最后两个字母=1...