They all need to be cooked in an oven for several hours.

VOA: special.2010.05.28

This adds on several hours to my work week.

这给我增加了数个小时的工作时间。

普林斯顿公开课 - 人性课程节选

He planned to spend several hours meeting the public and shaking hands.

VOA: special.2010.07.29

He got back to the station, but died several hours later.

VOA: special.2009.06.25

This involved doing complex mathematics and usually took Eleanor several hours.

VOA: special.2009.12.23

It takes several hours to walk to the bottom.

VOA: special.2009.10.07

It can take several hours before the gas disappears.

VOA: special.2010.02.02

He had left Moscow several hours before.

VOA: special.2009.03.18

I followed his progress for several hours.

VOA: special.2010.07.10

He worked for several hours.

VOA: special.2009.11.12

Afghan Army and provincial officials say up to 50 Taliban died in the battle, which lasted for several hours.

VOA: standard.2009.09.12

Long lines stretch around the popular exhibits, with visitors forced to wait several hours to get a glimpse inside.

VOA: standard.2010.05.02

Some of the people in line have been waiting several hours to see, feel and hold Olympic medals.

VOA: standard.2010.02.16

After several hours of stinky glory, Lois' bloom wilted, the smell subsided and the crowds moved on to see other,less odorous, museum attractions.

VOA: standard.2010.07.30

Then,it can take a team of 10 people several hours to unload a shipment of five M-ATVs.

VOA: standard.2010.08.01

It took several hours before security forces were able to gain control of all the sites.

VOA: standard.2009.10.15

On Saturdays, he spends several hours at the community center to teach computer basics.

VOA: standard.2010.02.24

Museum staffer Nancy Greig had to spend several hours in the smelly room.

VOA: standard.2010.07.30

He made several stops for gas and a few hours rest before flying across the Bering Sea to Alaska.

VOA: special.2009.03.18