Eight people are dead in Burkina Faso, where meteorologists say fell in just 12 hours,last week.

VOA: standard.2009.09.08

you can go to 12 hours a day, you can go to 6 six days a week.

可能一天12个小时，一个星期6天。

电脑图片的魅力 - SpeakingMax英语口语达人

During crunch periods, you can work twelve hours a day,

高峰期一天12个小时，

电脑图片的魅力 - SpeakingMax英语口语达人

For the next 12 hours, the medevac teams and machines will be on call to evacuate wounded troops from anywhere in eastern Afghanistan to Bagram's military-run trauma hospital.

VOA: standard.2010.04.27

About 12 hours after the House began its debate, the final tally late Saturday was 220 to 215, with 39 Democrats choosing to vote against their leadership, despite personal lobbying by President Obama to keep Democrats on board.

VOA: standard.2009.11.08