1、

For centuries, scientists and historians have argued over why Stonehenge was built and, even more puzzlingly, how.

几个世纪以来,科学家和历史学家对于英国巨石阵建造缘由以及更令人费解的建造过程争论不休。

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2、

Scientists did not know much about lung cancer until recently.

直到最近科学家才对肝癌有了进一步了解.

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3、

Scientists are rapidly developing technology for genetically engineering fast-growing supertrees.

科学家们正在为经过遗传工程实验的快速成长的大树迅速开发新技术.

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4、

Scientists tell parents that vaccinations are safe. But many parents prefer to trust their gut instinct that they're not safe.

科学家告诉家长接种疫苗是安全的,但许多家长宁愿相信自己的直觉——接种疫苗不安全。

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5、

An international team of16 scientists today reports the first direct measurement of the general rate of genetic mutation at individual DNA letters in humans.

近日,一个由16位科学家组成的国际性团队报道了首例人的个体DNA序列总基因突变速率的直接测量数据。

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6、

Infrasound existing widely in nature has already aroused the interests of environmental and military scientists in many countries for its characters of less attenuation during propagation, inaudibility and broad harm in some cases.

次声广泛存在于自然界中,由于其在传播时不易衰减,不能被听到等特点,在一定作用条件下,可造成危害,已引起一些国家的环境科学家和军事科学家的关注。

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7、

Scientists are puzzled by the guyots'curiously flat tops.

科学家对平顶山的平顶感到迷惑.

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8、

Because of IPY, scientists from six countries are working together to do the unthinkable, to explore the deep interior of East Antarctica – one of the last frontier regions of our planet.

因为是国际极地年,来自六个国家的科学家们正在携起手来,创出想象不到的伟业,去探测东南极地下内部构造,东南极被认为是地球最后的边境地区之一。

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9、

Some scientists suggest that plants like the pitcher plant and the sundew became carnivorous because they were trying to adapt to their environments.

有些科学家提出,像猪笼草和茅膏菜一类的植物之所以成为食肉性植物,是努力适应周围环境的表现。

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10、

Some of the scientists referred to the practice as a ritualized treatment of their dead, but by "ritual" they said they meant a deliberate and repeated practice, not necessarily a kind of religious rite.

一些科学家把这种做法归为对遗体的一种仪式性活动,但科学家们说,在“仪式”这个词上,他们是指故意和反复的活动,而不一定是一种宗教仪式。

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11、

Recently, scientists at Michigan State University created a new kind of crystal called an electride.

最近, 密西根州立大学的科学家们研制出一种新的被称为电子晶体的晶体.

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12、

A number of scaffolds have been fabricated by effort of scientists.

通过人们的努力,目前已有多种骨组织工程支架材料问世.

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13、

Asthmatics, at least , could benefit from measured doses of ultraviolet rays , according to scientists.

但是科学家则发现, 适量的日晒可以遏制住哮喘病的发作.

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14、

The sealers add that it helps to preserve diminished fish stocks ( though scientists dispute that ).

海豹猎人补充说道:那将有利于帮助阻止鱼类资源的减少 ( 虽然科学家否认这一点 ).

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15、

Using compounds such as resveratrol, foundin red wine, scientists have triggered the stress response that caloricrestriction activates, which shuts down non-vital processes in favour of thosethat ward off disease.

科学家使用化合物,如红酒中发现的白藜芦醇,引发了限制热量摄入会激发的应激反应,即关闭那些用来抵御疾病的非关键进程。

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17、

Theologists and scientists have been arguing this one for centuries as well.

神学家和科学家为这个理论已经争论了好几个世纪。

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18、

Men find averagely shaped women more attractive than fashion models and Playboy centrefolds, claim scientists.

科学家研究发现,在男性看来,与时尚模特和《花花公子》插页女郎相比,一般身材的女性更有魅力。

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19、

To many non-scientists, Dolly's cloning raised the spectre of human cloning.

对于许多不是科学家的人来说, 克隆多利引起了他们起克隆人的恐惧.

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20、

The college is playing host to a group of visiting Russian scientists.

学院正在接待一批来访的俄罗斯科学家。

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