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。
There is also a network of dirt airstrips, which was fortunate for me, as I had no time for the two-and-a-half week trek to my destination.
这里还有一个布满灰尘的机场跑道网，我还是觉得庆幸，因为我没有时间长途跋涉两周半到达目的地。
We just make some half hard resolution and it evaporates after a week or two.
我们只是下定了一些说难不难的决心，而一两周之后这种决心就人间蒸发了。
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。
We've spent the last week and a half or so, maybe a bit more, two weeks, talking about arguments for the existence of the soul.
我们已经花了一周半，也许还多点，两周吧，来讨论证明灵魂存在的论证。
Last week instances of Gumblar across the web increased by almost two-and-a-half times, while security company Sophos says it was responsible for 42% of all cases of malicious code found on websites.
上周盖博拉在整个网络上的案例增加了近两倍半，而网络安全公司Sophos表示，网站上发现的恶意代码中42%与这个病毒有关。
For a majority of undergraduates, beyond the two and a half hours per week in class, contact ranges from negligible to nonexistent.
对于大多数本科生来说，除了每周两个半小时的课堂时间，与教授接触的时间从可忽略不计到不存在。
When moderate exercise, like yoga or golf, were counted, normal weight men and women averaged closer to two and a half to four hours a week.
把适度的锻炼，比如瑜伽或高尔夫球计算在内，体重正常的男性和女性平均运动时间接近每周两到四个小时。
We just make some half hard and it after a week or two.
我们只是下定一些难不难的决心，一两周之后这个决心就人间蒸发了。
Those who jogged at a steady pace for less than two and a half hours a week were least likely to die in this time.
慢跑速度较为稳健，且每周慢跑时间不超过两个半小时的人猝死的可能性最小。%。
As a result, I increased my effort by practicing my running six days a week, and two and a half-hours a day.
结果，我增加了我的努力由实践我的连续六天每星期，和二和一个一半小时一天。
Those who jogged at a steady pace for less than two and a half hours a week were least likely to die in this time.
慢跑速度较为稳健，且每周慢跑时间不超过两个半小时的人猝死的可能性最小。
My landlady provided me with a solid breakfast before I went to the hospital and high tea when I came back at half-past six, and the two meals cost me about 12s a week.
我的房东提供了坚实的早餐，我之前，我去医院，高茶当我回来时六点半，两个用餐的费用约12秒，我一个星期。
She said her goal for the two-and-a-half-week residency was to design molds of Canadian scenes that she could bring home to make sculptures for sale.
她说她要在这里驻场两周半，目标是设计加拿大风景模具，可以带回去制作雕塑出售。
Furthermore, the 200-day sma has provided support on the last two attempts over the past week and a half, however it may be vulnerable next week as it rises to 1264 on Monday.
此外，200日简单移动平均线在前两次尝试中提供了支撑，但本周随周一升至1264可能难以维系。
Researchers evaluated employees at a large Swiss public dental health organization. Of the 177 participants, one group exercised two and a half hours during the work week;
研究人员评估了一个瑞士的大型公共牙科保健机构的177名雇员，他们将人们分成几组：其中一组每周锻炼两个半小时；
Muffin the bride, a seven-month-old Shih Tzu, and Timmy the groom, a two-and-a-half-year-old Bichon Frize, will this week take part in the UK's first dog wedding.
新娘马芬是一只7个月大的西施犬，而新郎提米则是一只两岁半大的卷毛比熊犬。这个星期，它们将成为英国首个狗狗婚礼的男女主角。
The subject meets twice a week for two one-and-a-half sessions.
本课程每周两堂课，每堂一个半小时。
The subject meets twice a week for two one-and-a-half sessions.
本课程每周两堂课，每堂一个半小时。
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