There will be a runoff between these two candidates on December 9th.

在12月9日，将举行这两位候选人的决胜选举。

《柯林斯英汉双解大词典》

For example, my sister's birthday is December 9th and her golden birthday would have been the year she turned nine years old.

例如，我姐姐的生日是12月9日，她的黄金生日本应是她满9岁的那一年的生日。

youdao

So, for example, my sister's birthday is December 9th and her golden birthday would have been the year she turned nine years old.

例如，我姐姐的生日是12月9日，她最好的生日是她满9岁的那一年。

youdao

Illinois Governor Rod Blagojevich was arrested at his Chicago home on December 9th.

VOA: special.2009.01.12

It will be hoping for good news in the pre-budget report on December 9th.

ECONOMIST: Lending to small companies

Ireland set the pace on December 9th by producing a budget that sharply cut public-sector wages.

ECONOMIST: Greece and the euro

Two speeches on December 9th, the conference's opening day, offered strikingly different visions of Iran's future.

ECONOMIST: Islam��s political football