1ty到30ty的英文 1月1号到1月30号的英文单词怎么写答:介词on表示在具体的某一天 on January the first,on January the second,on January the third,on January the fourth,on January the fifth,on January the sixth,on January the seventh,on January the eighth,on January the ninth,on January the tenth,on January the eleventh,on January the...