十二月的英語是December，它是名詞。

December? 英 [d??semb?] ?美 [di?s?mb?r]

n. 十二月

常用短語

1.?in?December?在十二月

2.?at?the?end?of?December?在十二月底

3.?at?the?beginning?of?December?在十二月初

4.?last?December?去年十二月

5.?next?December?明年十二月

例句：

December was passing and there was still no news of him.?
十二月就要過去了，仍沒有他的消息。

This event is staged annually, in the last week of?December.?
該活動于每年十二月的最后一個星期舉辦。

Her birthday is on the fifth of December.
她的生日是十二月五號。

The matter came to a head in early December.?
十二月初，事情到了緊要關頭。