first second一般简写成什么.

first second一般简写成什么. 第二第三在英语中怎么简写?first and second在英语中写成1st?还是什么? 英文日期的简写,就像July the first可简写成July 1st这种格式,请问July the second和July the third要怎么写? 各词的简写形式 seventh eighth first fifth twelfth third ninth sixth second fifth twenty-first简写 thirty-first的简写 the first/second.last(one) to do的意思什么? 什么叫英语数词?first,second,third是什么？我不太懂也 first order derivative second order derivative partial derivative什么意思 first,second,third是什么意思 be the first/second 与be first/second有什么区别例题：That is Kangkang's ___pen .A the second B second注：the second 有第二的意思而second表示第二次，为什么答案是B first,then,next,finally和first,second,third在用法上有什么区别? 汽车保险丝上cd一般用什么字母简写 He asked_____question before I could answered____.A.a second;a firstB.a second;the firstC.the second;the firstD.the second;a first应该选什么?为什么? 英语“中国”的简写 是什么?可以简写成什么 the second first time Rt Our school is[ ]middle school in our cityA.the second big B.the first big C.the second biggest D.the first biggest选什么 “唯一”可以简写成什么字母?