December is the twelfth and last month of the year.

十二月是一年中的第十二个，也是最后一个月。

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Christmas is in December, the twelfth month of the year.

圣诞节在十二月，即一年中的第十二个月。

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December is the twelfth of the month.

十二月是一年中的第十二个月。

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NASA announced that Gemini Six would be launched in the early morning of Sunday, December twelfth.

VOA: special.2009.07.01

The strongest part of the ADP report came from in services, which got another dose of good news when the Institute for Supply Management's December index showed the sector had its twelfth-straight month of growth and its best since 2006.

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