The clock strikes the hours but not the half hours.
这个钟是正点打点报时而不是半小时打点报时。
When he comes back two and a half hours later, they're still staying in the same place, continuing the same conversation on the same topic.
当他两个半小时后回来时，他们还在同一个地方，继续就同一个话题进行着同样的谈话。
In 1981 children in the United States spent an average of slightly less than two and a half hours a week doing household chores; by 1997 they had spent nearly six hours a week.
1981年，美国儿童平均每周花在家务上的时间略少于两个半小时；到1997年，这个时间达到近6个小时。
Yunbo: Rumei, our flight leaves in two and a half hours.
云波：如梅，再过两个半小时我们的航班就要起飞了。
The historical drama eventually clocked in at three and a half hours.
这部历史剧最终的时长达三个半小时。
Mr Lee spends about one-and-a-half hours a day updating his own microblog.
李先生每天用一个半小时左右的时间来更新他的微博。
I don't know how it's happened. Three and a half hours have just vanished.
我也不知道怎么会这样。三个半小时就这么浪费过去了。
On April 28, I gave four and a half hours of videotaped testimony in another Whitewater trial.
4月28日，在白水事件中的又一次审判中我提供了四个半小时的录像证词。
Mount Snow, only two-and-a-half hours by car from Boston, has seen a jump in drive-up business.
山雪（Mount Snow），离波士顿仅两个半小时车程，已经看到驾车来滑雪的人增多。
Two and a half hours later, when the concert was over, people were crying and hugging one another.
两个半小时后演唱会结束了，在场的人彼此相拥而泣。
Two and half hours later, after an excruciating silence, Dahl discovered that his niece had survived.
经过两个半小时的痛苦而沉默的等待，达尔发现他的侄女还活着。
Tracy and Steven had been up for two and a half hours, preparing our breakfasts and tidying the train.
特莱丝和斯蒂文已经起床两个半小时了，正为我们准备早餐和打扫卫生。
Normal people need eight to eight-and-a-half hours of sleep.These people sleep five and a half to six.
一般人需要八到八个半小时的睡眠，而这些人只需要睡五个半到六个小时。
Normal people need eight to eight-and-a-half hours of sleep. These people sleep five and a half to six.
一般人需要八到八个半小时的睡眠，而这些人只需要睡五个半到六个小时。
The American Time Use Survey found that employed people work an average of seven and a half hours a day.
美国人时间使用调查结果发现受雇佣者每天工作的平均时间为7.5小时。
It takes the space station one and a half hours to fly around the planet, making for 16 complete laps a day.
空间站环绕地球一周需要1个半小时，每天可以转16周。
American children also have one of the shortest school days, six-and-a-half hours, adding up to 32 hours a week.
美国小孩每天的上课时间也是最短的，6.5小时，每周总计32小时。
Even though it's just one and a half hours away by bus, Rui only came home to see his family a few times a year.
他一年只能回家一两次，尽管南京离他家只有一个半小时路程。
And then after another half hour I trained another half hour, and all together I'd trained (for) two and a half hours.
然后我又练了半小时，再加半小时……结果总共练了两个半小时。
This will increase the amount of time a soldier can safely spend on board from just one and a half hours to ten hours.
这将使士兵的乘坐时间从只有一个半小时延长到十个小时。
I finished the testimony at about six-thirty, three and a half hours before I was scheduled to address the nation.
约6点半，我的作证结束了。按计划，三个半小时后我就得向全国发表电视讲话。
Internet usage is up to four-and-a-half hours on the Web each week, compared to three-and-a-half hours a year ago.
一年前，万维网的使用率为每周3.5小时，而现在达到了4.5小时。
Lorry drivers in the European Union are not allowed to drive for more than four and a half hours without taking a break.
欧盟的卡车司机不允许连续开车超过四个半小时。
Almost three-and-a-half hours of a woman's day is taken up with domestic work, compared to less than two hours for men.
女人一天中差不多有三个半小时用来做家务，相比之下男人只花费不到两小时。
Almost three-and-a-half hours of a woman's day is taken up with domestic work, compared to less than two hours for men.
女人一天中差不多有三个半小时用来做家务，相比之下男人只花费不到两小时。
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