步行15到20分钟来增加你用于运动的时间。
Increase the amount of time you spend exercising by walking between 15 and 20 minutes.
到该看动物的时间了吗？
下午四点半到五点是我们最喜欢的时间。
From half past four to half past five in the afternoon is our favorite time.
从1981年到1997年，详尽的时间使用研究表明，孩子们花在玩耍上的时间减少了25%。
Between 1981 and 1997, detailed time-use studies showed that the time children spent at play declined by 25 percent.
时间一到，有趣的时刻来临了。
我的生活总是从一个危机到另一个危机，其间间隔的时间都很短。
My life had been a journey from crisis to crisis with only a brief time in between.
他们的目标是把产品从设计到投产的时间缩短到18个月以内。
从感染艾滋病病毒到发展成为艾滋病病人有一定的时间间隔。
There's a time lag between infection with HIV and developing AIDS.
利兹的兼职时间是10点到2点。
新设备从订货到交货的时间可能长达3年。
Lead times on new equipment orders can run as long as three years.
过去我总是将时间和精力投入到一些从一开始就注定要失败的项目上。
I used to pour time and energy into projects that were doomed from the start.
佛蒙特州的律师考试需要2到3个月时间的突击准备。
It would take two or three months of cramming to prepare for Vermont's bar exam.
这一切都是在2004年9月到2005年3月的时间范围内发生的。
The time frame within which all this occurred was from September 2004 to March 2005.
美术馆的开放时间为周一到周五，上午9点到下午6点。
3周后，他们把睡眠时间逐渐缩短到8小时。但是另一件有趣的事发生了。
After three weeks, they gradually reduced their sleep to about eight hours. But another interesting thing happened.
他们想不等我干到约定的离职时间就要我走。
等30到60分钟，或需要的不管多长的时间。
就业和增长要恢复到衰退前的水平，将要相当长的时间。
It will be quite some time until employment and growth return to pre-recession levels.
为了吸引更多的观众收看该节目并避免失去更多的广告收入，我们应该把播报天气和地方新闻的时间恢复到以前的水平。
In order to attract more viewers to the program and to avoid losing any further advertising revenues, we should restore the time devoted to weather and local news to its former level.
大卫，起床了。到起床的时间了。
研究表明，如果给定15分钟的自由玩耍时间，四到五岁的孩子会将其中三分之一的时间花在有关空间、数学和建筑的活动上。
Research shows that given 15 minutes of free play, four- and five-year-olds will spend a third of this time engaged in spatial, mathematical, and architectural activities.
一旦野兔数量减少，嫩枝的数量需要两到三年的时间来恢复。
Once the hare population has declined, it takes two to three years for the quantity of twigs to recover.
2009年的夏天，他从亚特兰大长途跋涉到华盛顿，全程670英里，只用了两个月的时间。
Then in the summer of 2009, he trekked about 670 miles from Atlanta to Washington, in just two months.
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。
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.
这种情况一直持续到2016年，这是可获得的最新数据的时间。
This continued through 2016, the most recent year for which data is available.
我们资源上的最大限制是我们可以投入到某件事情上的时间。
The biggest restriction on our resources is the number of hours we can devote to something.
过去，坐长途汽车从伦敦到爱丁堡需要两周的时间，但现在你可以在两周里多次环游世界。
It used to take a fortnight to travel from London to Edingburgh by coach, however you can now travel many times around the world in that time.
从法纳尔大厅到比肯山再到哈佛大学，从保罗·里维尔的故居到波士顿大屠杀的发生地，游客们可以在一个下午的时间里找到一大块国家遗产。
From Faneuil Hall to Beacon Hill to Harvard, Paul Revere's house or the site of the Boston Massacre, visitors can find a huge chunk of the nation's heritage in one afternoon.
由于改变了训练计划，需要大约三周到一个月的时间才能注意到自己体重的明显变化。
It takes about three weeks to a month to notice significant changes in your weight due to altering your training program.
过去，产品转型需要五到七年的时间；而现在只需要一两年。
Product transitions used to take five or seven years; now they take one or two.
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