1.
The duration of the examination is three hours.
考试时间为三个小时。
2.
Er, I should think about 2 to 3 hours.
哦，我看得有两三个小时。?
3.
The traffic had been tied up for three hours.
交通阻塞已有三个小时。
4.
The jury deliberated for three hours.
陪审团商议了三个小时。
5.
The heavy rain lasted three hours and stopped when the class was over.
大雨下了三个小时。下课的时候停了。
6.
Our server will be temporarily down for3 hours.
②我们的服务器将临时“宕机”三个小时。
7.
The meeting dragged on for more than two hours.
那个会议单调无味地开了二三个小时。
8.
For three hours more they flew on into the night.
他们在夜间又继续飞行了三个小时。
9.
The boss often made her work twelve or thirteen hours a day.
老板常迫使她每天工作十二、三个小时。
10.
The mixture is incubated at 90℃ for a further three hours.
将混合物在90℃进一步保温三个小时。
11.
He was grilled for three hours by the police.
他被警察盘问了三个小时。
12.
Mark:It depends,but it usually takes about two or three hours.
马克：这要看情况，通常两、三个小时。
13.
I play the piano. I practice three hours a day.
弹钢琴。我每天练习三个小时。
14.
She' s an insomniac ; she only sleeps for two or three hours a night.
她患失眠症,每晚只睡两三个小时。
15.
The move take six hour with a team of three men
搬迁用了三个人六小时
16.
The move took six hours with a team of three men.
搬迁用了三个人六小时.
17.
During the 3-hour concert,
在三个小时的演唱中，
18.
John has been working away for more than three hours.
约翰已经连续工作了三个多小时。