Until recently, the main reason for removing dams was to restore salmon runs, but it is now recognized that a more important reason to remove dams is that they are no longer safe.
直到近期，拆除大坝主要还是为了恢复鲑鱼的数量，但现在人们认识到，拆除大坝的一个更重要的原因是这些大坝已不再安全了。
In the world, more than 30% of schools do not provide safe drinking water for about 570 million children.
在世界上，超过30%的学校无法为大约5.7亿的儿童提供安全的饮用水。
In Syria, the organization helped more than 2 million children, providing food and other supplies, as well as safe spaces for children to learn and get mental health services.
在叙利亚，该组织帮助了200多万儿童，提供了食物和其他用品，还为孩子们提供了学习和获得心理健康服务的安全空间。
One very effective herbicide is safe for corn, but soybeans are damaged even by the herbicide's residue, which remains in the soil more than a year after the herbicide is applied.
某种非常有效的除草剂对玉米来说是安全的，但即使是除草剂的残留物也会对大豆造成损害，该残留物在施用除草剂一年多后仍残留在土壤中。
These crops are safe, they\\\'re resistant to drought and disease, and they hold the promise of producing more food for more people.
这些作物都是安全的，他们很耐干旱和疾病，他们持有为更多的人生产更多的粮食的承诺。
Eventually, I hope our system can reveal more about space radiation effects on DNA and cells, leading to options for safe space travel and exploration by humans.
最终，我希望我们的设备能揭示更多太空辐射对DNA和细胞的影响，从而引导人们安全的太空旅行和太空探索。
He returned for more, reporting that all the others were now safe and happy in another pool.
然后又回来衔更多的鱼，还说那些鱼在另一个池塘里很安全快乐。
But more research needs to be done before we know for certain that TwHF extract works and is safe.
不过，在我们确切地了解雷公藤提取物有效而且安全之前，还需要进行更多的研究。
Today kids need more opportunities for exercise, but many parents feel it’s not safe for them to walk alone.
现在的孩子们都需要更多锻炼的机会，但很多父母都认为，让孩子独自出去很不安全。
If this delivery method proves safe in humans, then we may see more effective drugs being made available for people with Alzheimer's in the future.
如果这项送药技术能被证明可以安全的用于人体，那么未来老年痴呆症患者将会得到更有效的治疗。
She wasn't heard from for more than a week. In the days afterward, in interviews with CNN and other media, she spoke graphically of her ordeal and said she feared she would never feel safe in Libya.
在她的事件发生不到一周后的几天里，面对CNN和其他媒体的采访，她生动地描述了所受到的折磨并担心在利比亚不会安全。
A: What's more, it's not always so safe for us to pay online as hackers might steal the user name and password.
A：而且网上付费有时也不安全，黑客可能会偷走用户名和密码。
The beginnings of MS-13 date from the 1980s, when more than a million Salvadoran refugees fled their war-wracked homeland for safe haven in the United States.
MS - 13最初起源于十九世纪八十年代，当时一百多万萨尔瓦多难民从他们战乱的国家逃往美国以求避难。
The primary objective of the LRO is to prepare for future lunarexploration, scouting for safe and compelling landing sites, potentialresources (like water ice) and more.
月球勘测轨道飞行器的主要任务是为了美国重返月球登陆计划作准备，探查月球表面安全而又适合的着陆地点，并且探测月球上是否存在水冰之类的更多潜在资源。
If you are prepared for the hazards of winter, you will be more likely to stay safe and healthy when temperatures start to fall.
如果已经做好准备迎接冬天的危险，那么当温度开始下降，你就更加可能度过一个安全而又健康的冬天了。
For more information on the safe use of pesticides, you can download the Environmental Protection Agency's safety guide here.
更多安全使用杀虫剂的信息，你可以在这里下载环保机构的安全指导。
And while each new generation of skinny pills has so far proven more dangerous than effective-remember fen-phen and ephedra? -experts continue their search for a safe diet pill that works.
尽管至今为止，每一代减肥药都被证明其危险性比其效果大——还记得芬—芬和麻黄吗——但专家们还在继续研制“有效的”安全的减肥药。
I, more than anyone, want Toyota's cars to be safe, and for our customers to feel safe when they drive our vehicles.
我比任何人都希望丰田汽车安全可靠，让我们的客户在驾驶丰田汽车时感到安全无忧。
For a lot of people they are a cleaner, more safe, convenient place to meet up.
对于许多人来说，他们更喜欢在一个干净，有安全感，方便的地方见面。
Its young population is more likely to graduate high school than in other cities, and life for most families is safe and affordable.
和其它城市比，该市从高中毕业的年轻人口较多，生活对大多数家庭是有保障的，而且费用可以负担得起。
While cautioning that more research is needed on children and additional patients to make sure oxytocin is safe and effective, advocates for families with children with autism welcomed the findings.
除了呼吁需要对儿童患者进行更多的研究，以及进行更多的测试来保证催产素是安全和有效的，那些有自闭症儿童的家庭都十分欢迎这项研究。
The tech is more secure than RFID and they even say it’s safe for our brains because “it’s under a certain limitation in the magnetic field, ” set by the U.S. and other national governments.
比起无线射频识别技术（RFID），电磁波传导技术更为安全，对大脑也没有损害，因为它的磁场比美国及其它国家所规定的强度还要低。
And it has taken more than a century for it to be considered truly safe to show it.
以至于历经了一个多世纪这部伟大的作品才得以真正光彩地展现给世人。
Considering how important offline access has become for the increasingly mobile worker, it's a safe bet more and more enterprises will require offline applications for their own business portals.
考虑到对于日益增多的经常外出的员工来说脱机访问的重要性，肯定会有越来越多的企业需要针对它们自己的企业门户网站的脱机应用程序。
For Warner, unchecked global warming could create a world that is inherently more dangerous for the U.S. Acting to mitigate climate change was another way of keeping America safe.
对华纳来说，失控的全球变暖问题肯定会导致出现一个对美国更加危险的世界。而采取行动缓和气候变化不失为保护美国的另一途径。
While there have always been reasons for women to be careful when drinking alcohol, this new research gives them even more cause to be aware and play it safe.
虽然要女性对喝酒要小心的理由是多方面的，但这项新研究就更需要她们小心，以防不测。
Since Lehman collapsed, appetite for risk, seen in stock rallies, has been linked with dollar weakness as investors swap their safe US holdings for something more exotic.
自雷曼兄弟(Lehman)破产以来，股市反弹所体现出的市场风险偏好，一直与美元的疲软联系在一起，因为投资者放弃了安全的美元资产，转而持有风险更大的股票资产。
Since Lehman collapsed, appetite for risk, seen in stock rallies, has been linked with dollar weakness as investors swap their safe US holdings for something more exotic.
自雷曼兄弟(Lehman)破产以来，股市反弹所体现出的市场风险偏好，一直与美元的疲软联系在一起，因为投资者放弃了安全的美元资产，转而持有风险更大的股票资产。
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