Over twenty months, he spent almost six thousand hours searching in a protected area in the Simbu Province of Papua New Guinea.

VOA: special.2009.07.07

It was probably the pivotal point of our friendship when he realized I had actually spent some hours thinking about him and his troubles and he was trying to place that in his tremendously involved and tormented mental categories.

这或许是我们之间友谊的关键时刻,他知道我的确用了许多时间考虑他和他的困境,在他陷入极其复杂的痛苦的精神危机时,他更是急于想了解这一点。

耶鲁公开课 - 1945年后的美国小说课程节选

I've spent thousands of hours just walking in the institute woods.

我已经花了几千个小时，So，I’ll，go…,在学院的森林里散步。

普林斯顿公开课 - 人性课程节选

The pilot spent fifty hours in a simulator -- a copy of the plane on the ground -- preparing for his ten-minute flight.

VOA: special.2010.07.07

It reminded him of all the hours he had spent there at his wife's parties.

VOA: special.2010.05.29

She came and spent hours over it, bringin' flowers and talkin' to it."

VOA: special.2010.05.15

I spent hours looking through that microscope, exploring Nature's tiny secrets.

VOA: special.2009.07.25

The two astronauts spent more than thirty-one hours on the moon.

VOA: special.2009.07.29

More than two hours of that was spent watching TV.

VOA: special.2009.03.10

More than twenty-two hours were spent working outside the lander.

VOA: special.2009.07.29

They spent seventy-five hours, in all,on the surface.

VOA: special.2009.07.29

They spent forty-five hours on the moon.

VOA: special.2009.07.29

"One soldier had been fighting in the jungles for years. And I don't know if it had affected him or not, but when the clerk handed him a tweed suit to try on he spent three hours searching through the fuzz for snipers."

VOA: special.2009.03.09

Secretary Gates spent his final hours in Iraqi Kurdistan, meeting with the President of the semi-autonomous region, Massoud Barzani.

VOA: standard.2009.07.29

President Obama and 18 members of his national security team spent about three hours in the White House Situation Room Wednesday, assessing their Afghanistan policy.

VOA: standard.2009.10.01

At the site of the crash, investigators spent hours combing through the mangled remains of the aircraft to find the plane's black box, flight-data recorder.

VOA: standard.2010.05.23

Innovative companies spend big money on team-building and they spend much more,most likely, than is going to be lost for those few days in the few hours that are spent on the brackets,".

VOA: standard.2009.03.25

It was a different era. But General Myers spent many hours in the White House Situation Room, working with Bush administration officials on strategy for the two conflicts, just as current top officers are working with President Barack Obama and his team now on how to move forward in Afghanistan.

VOA: standard.2009.10.16