The explosions occurred late Friday, sparking fires that blazed for 15 hours before being put out Saturday morning.

爆炸发生于周五晚，由其引发的大火燃烧了15个小时，周六早才被扑灭。

youdao

About one out of every 10 two-year-olds in the study was a late talker, scoring in the lowest 15 percent on a list of 310 common words.

调查研究的宝宝中有每十个就有一个是晚说话宝宝，在310个常用单词的测试中得分最低，仅为15%。

youdao

Some theaters arranged showings as late as 3:15 a.m.

一些剧场安排首映迟至上午3：15。

youdao

We must keep doing that campaign." The government launched a huge campaign in late April to test 15 million people for HIV by June 2011.

VOA: standard.2010.05.29

By late Monday, 15 inches of snow had fallen in Woodward, the most snow accumulation since 1971, the National Weather Service said.

CNN: STORY HIGHLIGHTS

The tax law allows this move as late as Oct. 15 of the year after the conversion date.

WSJ: Tax Report: How the Experts Are Handling Their Own Roth IRA Conversions

Consider how much time is wasted by starting a meeting 15 minutes late.

WSJ: Donald Rumsfeld's Rules for Successful Meetings