Seventeen civilians were hurt. Most are students who had been attending a twenty-first birthday party.

17名平民受了伤，其中大多数是参加一个21岁生日聚会的学生。

《柯林斯英汉双解大词典》

The baby sickened and died before his first birthday.

婴儿没过周岁就病死了。

《牛津词典》

They are celebrating their daughter's twenty-first birthday in the Garden Hotel.

他们正在花园酒店为女儿庆祝21岁生日。

youdao

Michael Jackson would have celebrated his fifty-first birthday in August.

VOA: special.2009.06.27

The country aims to reduce the ratio of infants dying before their first birthday to 50 per 1,000 live births or five percent.

VOA: standard.2009.11.10

Twenty-two percent of blacks, The fact that almost twice as many blacks don't have health care as whites in part explains why black children are twice as likely to die before their first birthday as white kids.

VOA: standard.2009.09.09

Hey, it's our first birthday today and to celebrate we're having our biggest giveaway ever.

ENGADGET: It's our birthday, and we're giving you the presents

Today's Switched On's first birthday, so as a present we gave Ross his very own banner.

ENGADGET: Switched On turns one: The Maven

At the time, one in five babies born in the city died before their first birthday.

BBC: Remembering Dundee's 'forgotten heroine'