They found that one half of the brain "remains more awake" than the other half when people are trying to sleep in a new place.
他们发现，当人们试图在一个新的地方睡觉时，大脑的一半比另一半“更清醒”。
She recalls watching the ship, brightly lit, slipping into its dark grave—and into seeming nothingness, rarely mentioned for more than half a century.
她回忆说，她看到那艘灯火通明的船滑入黑暗的坟墓，进入了半个多世纪以来很少被提及的虚无之中。
At the speed and height at which he was moving, he was never more than half a second from disaster.
以这样的速度在这么高的地方移动，他离灾难永远只有半步之遥。
More than half the children of divorce did not see the noncustodial parent on a regular basis.
超过半数以上父母离异的孩子不能时常见到无监护权的家长。
The museums attract more than two and a half million visitors a year.
这些博物馆一年吸引二百五十多万参观者。
For all their troubles, the United States' 3,500 institutions were flooded with more than half a million students from 193 countries last year.
去年，来自193个国家的50多万名学生涌入了美国3500所大学，造成了很大的麻烦。
More than half of all residential power goes into running household appliances, producing a fifth of the world's carbon emissions.
超过一半的居民用电用于运行家用电器，并产生了全球五分之一的碳排放。
A poll this week showed that more than half of Russians do not support these reduction plans.
本周的一次民意调查显示，超过半数的俄罗斯人并不支持这些削减计划。
Such infections resulted in more than a million and a half patient illnesses and caused or contributed to nearly a hundred thousand patient deaths.
这样的感染导致了150多万病人患病，并造成或促使近10万病人死亡。
For junior-high students, it should be "no more than an hour and a half", and two for high school students.
对于初中生而言应该是“不超过一个半小时”，对于高中生则应该是两个小时。
More than half of all recent graduates are unemployed or in jobs that do not require a degree, and the amount of student-loan debt carried by households has increased more than five times since 1999.
在最近毕业的所有毕业生中，超过一半的人没有工作，或者从事不需要学位的工作。并且自1999年以来，有学生贷款债务的家庭数额增加了五倍多。
More than half a century ago, the Massachusetts Institute of Technology (MIT) opened its Center for Advanced Visual Studies (CAVS) to explore the role of technology in culture.
半个多世纪前，麻省理工学院（MIT）开设了高级视觉研究中心（CAVS），探索科技在文化中扮演的角色。
Poland joined the European Union in 2005 and since then more than half a million people have moved to Britain, Germany, Spain and Italy.
波兰于2005年加入欧盟，自那以后，已有超过50万人移居英国、德国、西班牙和意大利。
Wearing a seat belt can reduce your chance of death or serious injury by more than half.
系好安全带可以减少一半以上的死亡或重伤的几率。
On 8 June 2004, more than half the population of the world were treated to a rare astronomical event.
2004年6月8日，世界上一半以上的人有幸目睹了罕见的天文现象。
When almost everyone has a mobile phone, why are more than half of Australian homes still paying for a landline?
当几乎所有人都有手机时，为什么一半以上的澳大利亚家庭仍然要为座机付钱？
Scientists have found that people who sleep for less than 6 hours and a half at night are more often ill than people who sleep for 8 hours.
科学家发现，晚上睡眠少于6个半小时的人比多于8小时的人更容易生病。
According to a study, more than half the teenage girls in the USA think they should be on a diet and almost one in five teenage boys are worried about their bodies and their weight.
根据一项研究，在美国，超过一半的少女认为她们应该节食，几乎五分之一的少年男孩担心自己的身体和体重。
Since 1934, better than half a billion dollars has gone into that Fund to purchase more than 5 million acres of habitat.
自1934年以来，该基金已经投入了超过5亿美元，用于购买500多万英亩的栖息地。
After playing football for more than half an hour, the students took a few minutes' rest.
踢了半个多小时的足球后，学生们休息了几分钟。
More than half of the people in a recent survey on the Internet answered these questions incorrectly: How many countries make up Great Britain? What is the world's largest desert?
最近在互联网上进行的一项调查中，超过一半的人错误地回答了以下问题：大不列颠由多少个国家组成？世界上最大的沙漠是什么？
After running hundreds of tests, the researchers noted that the monkeys would go for the higher values more than half the time, indicating that they were performing a calculation, not just memorizing the value of each combination.
在进行了数百次测试后，研究人员注意到，猴子有一半以上的时间会选择更高的数值，这表明它们在进行计算，而不仅仅是记住每个组合的数值。
In little more than a decade, Argentina has become the world's leading exporter of honey, with nearly 90,000 tons a year sold to foreign markets, almost half of which is going to the United States.
在10年多的时间里，阿根廷已经成为世界上最大的蜂蜜出口国，每年有近9万吨蜂蜜销往国外市场，其中近一半销往美国。
It has been offering the service for more than a decade; more than half of its engines in service are covered by such contracts, as are about 80% of those it is now selling.
它提供这种服务已超过十年；现在它的半数正在使用的引擎都是基于这样的合同，而80%的正在卖出的引擎也签署这样的合同。
After two and a half years they were still more than three kilos heavier than when the study began.
过去了两年半的时间之后，他们仍比研究开始的时候重三千克。
That might not seem a big increase, but the indicator has rarely risen or fallen by more than half a day a year.
这也许不是很大的增加，但是这个指数一年上升或者下降的波动很少超过半天。
"Typically an interpreter will not interpret more than a half-hour at a time," Olesen said.
“一个口译员一次口译通常不会超过半个钟头的时间，”奥尔森说。
Although they have only had a little more than a half-century of impacton history, the fear of nuclear annihilation has permanentlytransformed the face of warfare.
虽然他们只有半个多世纪的影响历史，但是对核毁灭的恐惧已永久改变了战争面貌。
Nearly half said they wear too much black, and a little more than half said they have difficulty finding trendy yet age - appropriate clothes.
近半数受访者称，自己穿黑色衣服太多，略超半数的受访者称她们很难找到既时髦又适合自己年龄的衣服。
Nearly half said they wear too much black, and a little more than half said they have difficulty finding trendy yet age - appropriate clothes.
近半数受访者称，自己穿黑色衣服太多，略超半数的受访者称她们很难找到既时髦又适合自己年龄的衣服。
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