你说的应该是英语dec是十二月的缩写,在月份里没有bec代表月份。
十二月的全称是December。
December
英 [dɪˈsembə(r)]美 [dɪˈsembər]
n.十二月
举例:
1.She looked back now to that fateful day in December.
她现在回顾十二月里那决定性的一天。
2.Prices edged up 2% in the year to December.
到12月为止的年度价格上涨了2%。
3.The whole system will be fully operational by December 1995.
整个系统到1995年12月将可全面投入使用。
4.1 December has been nominated as the day of the election.
12月1日被指定为选举日。
5.Interest will be paid half-yearly in June and December.
利息将每半年一次于六月份和十二月份支付。
6.Your contract of employment terminates in December.
你的聘约十二月份到期。
7.He departed his job December 16.
他于12月16日离职。
8.By December last year most of the resources had been spoken for.
去年12月之前,绝大多数的资源就被预订了。