For years researchers have attempted to show that television is dangerous to children.
多年来，研究人员一直试图证明电视对儿童的危害。
It is hard to stand up the idea that Britain overall is getting more dangerous when the homicide rate is at its lowest in 19 years.
枪杀率最近也下降了。现如今英国的枪杀案案发率已达19年来最低，说它比过去更加危险的说法显然不成立。
Much of this remains dangerous for thousands of years, and a proportion of it can be used to produce weapons-grade plutonium.
废弃物的放射性危险会延续数千年，而且部分还可以用来生产武器级放射性元素钚。
Over the years he has been called Red Oskar, enfant terrible, the most dangerous man in Europe and, almost endearingly at times, Napoleon.
有的人则认为他是欧洲最危险的人，但有的时候却又是最受欢迎的人。甚至有人把他比作拿破仑。
In recent years, a number of leaks of radioactive water have stoked environmentalist ire, though local residents were not exposed to dangerous doses of radiation.
最近几年，好几次核辐射水漏洞事件激怒了许多环保人士，虽然当地居民并没有受到辐射的危险。
Cesium-137, with a half-life of 30 years, is another dangerous substance emitted in a full-scale nuclear meltdown.
核反应堆完全熔解后，会释放出另一种危险物质铯- 137。铯- 137的半衰期为30年。
Royal Dutch Shell has run a profitable business in Nigeria for more than 50 years despite a dangerous and volatile environment.
即使是在危险和不稳的环境下，荷兰皇家壳牌集团也在尼日利亚成功经营了超过50年。
When I visited earlier this year, I found it hard to imagine that just over 20 years ago this was one of the most volatile and dangerous places in Asia.
今年早些时候我来到这儿，发现很难想像就在20年以前，这里是亚洲最危险最不稳定的地区之一。
Trafigura has been publicly insisting for three years that its waste was routine and harmless. It claims it was "absolutely not dangerous".
三年来，托克在媒体公众面前一直强调该公司所弃的只是普通垃圾，没有伤害性，并称它们“绝对没有危险性”。
Two years ago, in "Dangerous Nation", Mr Kristol's fellow neoconservative, Robert Kagan, also acknowledged the aggressive side of American behaviour.
二年前，与克里斯托尔先生一样同为新保守派的罗伯特·卡根在《危险国家》一书中亦承认，美国人的所作所为具有侵略性的一面。
Two years ago, in “Dangerous Nation”, Mr Kristol’s fellow neoconservative, Robert Kagan, also acknowledged the aggressive side of American behaviour.
二年前，与克里斯托尔先生一样同为新保守派的罗伯特•卡根在《危险国家》一书中亦承认，美国人的所作所为具有侵略性的一面。
In addition, the waste products generated by thorium are virtually impossible to turn into plutonium - and they remain dangerous for hundred of years rather than thousands.
此外，钍所产生的废弃物几乎不可能转变成钚，其放射性危险延续100多年，而不是数千年。
Eight years ago, she was taken off a combination of estrogen and progesterone, fearing dangerous risks.
八年前，她被迫停止摄入雌性激素和黄酮素的组合，因为担心会引发潜在风险。
Could sealed tombs house pathogens that can be dangerous or even deadly to those who open them after thousands of years-especially people like Lord Carnarvon with weakened immune systems?
密封的坟墓中有对于几千年后打开坟墓的人——尤其是像加拿芬那样免疫系统虚弱的人来说是危险的甚至致命的病原体吗？
And the percentage of dangerous liquids recovered by pipeline operators after a spill has dropped considerably in recent years.
近些年，泄漏发生后由输油管道运营商回收的危险液体的比例却呈明显下降趋势。
Even very dangerous carcinogens - like cigarettes and radiation - typically require several years, even decades, to cause cancer.
即使每一个危险的致癌原，像香烟和辐射，通常都需要多年或甚至几十年才会引起癌症。
Mining remains dangerous work, as the disasters that seem to befall small Appalachian towns every few years attest.
采矿仍然是危险工作，最近，美国阿巴拉契亚的小城群落每几年就会遭遇一次灾难。
For years, patient groups warned such treatments could be dangerous, instead promoting a strategy known as adaptive pacing - which advises patients to adjust to their illness by simply doing less.
多年来患者都警告说那些治疗可能会有危险，而且他们会被推荐一些应对策略，其中像适应性过渡，一种仅仅建议患者通过少活动来适应他们所患疾病的策略。
If Kyoto is scrapped, it could take several years to negotiate a replacement framework, the source added, a delay that could strike a terminal blow at efforts to prevent dangerous climate change.
如果《京都协议书》被丢弃，那么将需要几年的时间来议定一个新的替代框架。消息来源补充道，任何延迟都是对防止危险气候变化的种种努力的致命打击。
Years ago, local villagers could only descend the village's mountain on a dangerous path.
多年前，郭亮村村民只能从一个崎岖险峻的小径下山。
Only gradually has it started to dawn on his admirers that, in the past five years, he has not done very much to make Pakistan a less dangerous place.
但在过去的五年时间里，那些欣赏他的人渐渐的意识到，他并没有想把巴基斯坦变得安全一点。
This comes at perhaps the most dangerous three weeks for many years.
接下来的三周也许是许多年来最悬的。
He called the situation the most dangerous it has been in years.
他认为目前的局势是近几年来最危急的一次。
For hundreds of years, St. Bernard dogs have saved the lives of travellers crossing the dangerous Pass.
几百年来，圣伯纳德修道院驯养狗拯救了许多翻越这道山口的旅游者的生命。
His book was considered heretical and dangerous and was banned by the Church for 200 years.
他的书被认为是异端的和危险的，并且被教会禁止达200年。
Years, not months, are required to produce a close-combat soldier with the skills and attributes to perform the increasingly more difficult and dangerous tasks that wait in the future.
培养出一个掌握近战作战技巧并且能够在未来执行危险程度与困难程度都与日俱增的任务的士兵，需要好几年时间而不只是几个月。
Years, not months, are required to produce a close-combat soldier with the skills and attributes to perform the increasingly more difficult and dangerous tasks that wait in the future.
培养出一个掌握近战作战技巧并且能够在未来执行危险程度与困难程度都与日俱增的任务的士兵，需要好几年时间而不只是几个月。
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