The National Institute on Aging leads a broad scientific effort to understand the nature of aging and to extend the healthy, active years of life.
国家老化研究所倡导广泛的科学研究，以瞭解老化的本质和延长健康、有活力的生命。
As tuberculosis affects women mainly in their economically and reproductively active years, the impact of the disease is also strongly felt by their children and families.
由于结核病主要影响从事经济活动和生育期妇女，因而疾病也对其子女和家庭造成极大影响。
During the following years, he took a more active part in polities.
在接下来的几年里，他更加积极地参加政治活动。
He's completed 30 years of active military service.
他已经服完30年的现役。
There was a time when social pressures were killing off the Welsh language, but after years of efforts, it is now an active part of Welsh life again.
曾经有一段时间，社会压力使威尔士语逐渐消亡，但经过多年的努力，威尔士语现在再次成为威尔士人生活中活跃的一部分。
During the following three years, Zhang Yu made great efforts to study and took an active part in different activities to develop her abilities with the help of Li Qiang.
在接下来的三年里，张宇在李强的帮助下，努力学习，积极参加各种活动，锻炼自己的能力。
The surface formed mostly in the last billion years, which makes it fresher and more recently active than any rocky planet other than earth.
它的表面大部分是在过去十亿年里形成的，使得它比地球以外的任何岩石行星都更新鲜活跃。
From the small number of impact craters that appear on Martian lava flows, one can estimate that the planet was volcanically active as recently as a half-billion years ago—and may be active today.
从火星熔岩流上出现的少量陨石坑中，我们可以估计，在5亿年前，这个星球上的火山还很活跃——也许现在依然活跃。
She was about two years older, more active and braver.
她比我大两岁，更活泼也更勇敢。
Over the past years, we have taken active measures to expand imports from the US, which are proven to be effective.
这些年来，我们一直采取积极措施扩大从美国的进口，这些措施的成效是显著的。
Such samples may offer clues to why the Italian volcano has grown increasingly active in the last 50 years.
这些岩浆样本可以提供为什么这座意大利火山过去50年来渐趋活跃的线索。
The Junto was active for 30 years and developed into the American Philosophical Society.
“小团体”活跃了30年，发展壮大成为今天的美国哲学协会。
To be declared free of dracunculiasis, a country needs to have reported zero transmission and afterwards maintained active surveillance for at least three years.
要被宣布为无麦地那龙线虫病状态，国家需要具备零病例传播报告，并在此之后的至少三年内保持积极监测。
Imagine a situation in which you need to extend the example report to display salesman order history since the company inception, not just active orders from the last two years.
假设这样一种情况：您需要扩展示例报告，使其能显示从公司成立时起的销售人员历史订单，而不仅仅是最近两年的活动订单。
In six years Taposiris Magna has become one of Egypt's most active archaeology sites.
六年之后，马格纳城已成为埃及最为活跃的考古地区。
Currently, national surveillance comprises passive and active data collection and reporting on hospitalized children aged 0-15 years.
目前，国家监测包括针对0 - 15岁住院儿童的被动和主动数据收集和报告。
I met my husband while we were training for the same marathon and, through the years, we've enjoyed being active together and supporting each other's running goals.
为同一场马拉松备战训练时，我遇到了我的丈夫。这些年来，我们一起开心地锻炼，也互相支持对方的跑步目标。
They were asked whether they had been physically active on a regular basis during their teenage years and at ages 30, 50 and later.
他们被问之在青少年时期与30岁、50岁或更晚的时候是否经常地积极地参加身体锻炼。
People are less active now than they were 30 years ago, and the prevalence of fast food has given people less healthy, more energy-dense options.
因为人们比30年前更加懒散，快餐的流行也给了人们健康程度降低但热量增加的选择。
People are less active now than they were 30 years ago, and the prence of fast food has given people less healthy, more energy-dense options.
因为人们比30年前更加懒散，快餐的流行也给了人们健康程度降低但热量增加的选择。
They did this by taking a peek at an astronomers' catalogue of 318 active galaxies located within 300m light years of Earth.
它们通过窥视一位天文学家列出的318个离地球三亿光年的活跃星系而完成了这个试验。
One scientist, however, says that relative to a time period in the past, the Earth has been more active over the past 15 years or so.
尽管如此，有位科学家说，相对于过去一个时间段来说，地球在过去十五年左右更加活跃。
In the three years of active development leading up to the recent release of the new 2.6 Linux kernel, some interesting changes took place in the way the Linux kernel is developed and tested.
经过为期三年的积极开发，新2.6Linux内核最近已经发布了，在这期间，Linux内核的开发和测试方法发生了一些有趣的变化。
Android platform has managed to form a massive and active community of developers in just few years.
短短数年时间Android平台就已经形成了一个庞大而活跃的开发者社区。
This was not the first synthetic virus — a polio virus had been made a year before — but it was only one ten-thousandth as active and it took three years to do.
这并不是第一个合成的病毒——某种脊髓灰质炎病毒已在一年前制造出来——却是唯一一个具有百分之一活性的病毒，花了三年时间才合成成功。
In recent years its most active contributors have become obsessed with obscure questions of doctrine and have developed their own curious jargon to describe the editing process.
近年来，该网站最活跃的贡献者们成天纠结一些很晦涩难懂的教条问题，还发明了奇怪的行话来描述编辑过程。
Shell will be the operator in this highly contiguous acreage, and will be able to integrate these new assets into its existing South Texas operations, where Shell has been active for many years.
壳牌公司将极有可能成为邻近地区的运营者，并将新的资产整合到现有的德克·萨斯南部的业务中。在该地区壳牌公司已经积极运营了多年时间。
Over an average of five years, however, those who were more socially active showed reduced rates of cognitive decline.
但是平均五年之后，那些积极参与社交活动的老人则降低了认知力减退的比率。
Over an average of five years, however, those who were more socially active showed reduced rates of cognitive decline.
但是平均五年之后，那些积极参与社交活动的老人则降低了认知力减退的比率。
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