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。
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。
I exercise at least an hour every day, if not an hour and a half or two hours.
我每天都锻炼至少一个小时，如果不够一个半或两小时的话。
In one study, more than half the people who meditated two and a half hours a week for eight weeks reported a whopping 54% reduction in stress.
一项研究表明，在每周冥想两个半小时并且持续八周的试验中，有多于一半的人表示自己压力减少了54%之多。
Others crammed into bars or gathered at home for the match, which left the country paralysed for two and a half hours Sunday evening.
还有一些球迷涌入酒吧或聚在家中观看比赛，致使西班牙在上周日晚间陷入瘫痪状态达两个半小时之久。
The actor Ben Stiller, who has accompanied Haggis to Haiti, recalls that Haggis once raised four and a half million dollars in two hours.
演员本·斯蒂勒曾和哈吉斯一起去过海地，据他回忆，有一次哈吉斯在短短两个小时之内就筹募到了四百五十万美元。
Most people spend about half an hour at a time, and two hours total.
大多数人一次性花半小时，分四次共两个小时。
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。
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 boss asked him to explain why he was two and a half hours late.
老板要他解释一下为什么迟到两个半小时。
I installed it, created a half-elven Bard, and soon our apartment had two guys in the living room at all hours of the day, faces bathed in the glow of monitors.
我安装了游戏，然后创建了个人物。再然后，我们的公寓就只剩下两个整天沐浴在屏幕闪动的光线的人的背影了。
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。
It's the punch line of a joke I've been using since we started two and a half hours earlier: I still don't know the name of your movie.
这个是我在我们两个半小时前的采访中用到的一个笑话：我还不知道你的电影的名字呢。
I don't know if Gwynn and I would be brave enough to do a day and half of travel with our two boys just yet but I'm pretty confident that we can manage 3 hours.
我不知道我和格温有没有足够的勇气和我们两个男孩旅行一天半，不过我确信我们可以一起旅行3小时。
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。
These sensors will guide Shenzhou 8 the rest of the way automatically, in a slow and delicate approach that will take about two and a half hours.
这些感应器将引导神舟八号自动完成随后的路程，这个过程非常慢，也很精细，大约要用两个半小时。
America's first domestic passenger jet flight as a Boeing 707 carrying 111 passengers travels from New York to Miami in about two and a half hours.
1958年12月10日美国国内首次由喷气式飞机波音707搭载111名旅客由纽约飞往迈阿密，历时约2个半小时。
Last November California voters approved a $10-billion bond toward a rail system that will move passengers the 432 miles between San Francisco and Los Angeles in just over two and a half hours.
去年11月，加州通过了一项耗资100亿美元的国债计划，专门用来建设一条连接旧金山和洛杉矶的高速铁路，建成以后，往来两地只要两个半小时。
Strolling in only two-and-a-half hours late, Mr Putin appeared fit, confident and relaxed.
只是迟到了2个半小时，普京缓步走进来，显得很健康也很自信。
For city breaks, Los Angeles is a short flight away, and if the California High-Speed Rail is actually built, it will make the trip in two-and-a-half hours.
如果要到其它城市去逛一下，洛杉矶乘飞机很快就能到达。假如加利福尼亚高速铁路真的建起来了，从旧金山到洛杉矶只要两个半小时就可以了。
Study authors say people in the United States are losing sleep, with Americans sleeping one and a half to two hours less a night than we did 40 years ago.
研究的发起者说美国的人们在失去睡眠，现在的美国人比40年前的少睡一个半钟到2个钟。
After two and a half hours, all equipment was packed, and I and my makeup artist was done with our photo assignment.
2个半小时后，所有的设备都已经打包好，我和我的化妆师完成了任务。
The Educational Testing Service, which designs the exam, had already delayed planned revisions by a year, including lengthening the exam from two-and-a-half to four hours.
{2}设计该项考试的美国教育考试服务中心已经将这一修改计划延迟了达一年之久，修改计划包括将考试时间从两个半小时延长至四个小时。
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。
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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