吃完晚饭,我正在聚精会神地写作业,妈妈就坐在我的身旁用计算器算她这个月的工作天数。妈妈一边算一边嘀咕着:“哦,3月份我工作了45天。”我听着听着心里愈发感到奇怪,我们刚学过年月日的知识,知道3月份虽是大月但也只有31天,哪来的45天 After dinner, I was concentrating on homework, my mother sitting next to me with a calculator count her work days this month. Mom mumbled at the same time: “Oh, I worked for 45 days in March. ” I listened to my heart more and feel strange, we just learned the knowledge of the years, March that although it is a big month but also Only 31 days, where’s the 45 days