And as scientists are all too keenly aware, they have been wrong before.
科学家非常清楚地意识到，他们之前的错误。
The reason, I believe, is that we like to think of ourselves as scientists.
的理由可能在于我们常认为我们是科学家。
Until then, as scientists and collectors know, supply and demand are worlds apart.
在此之前，如科学家和收藏者所知，它的供求有天壤之别。
We as scientists must make it clear that some sources hold more weight then others.
作为科学工作者的我们应当清楚某些信息源相比其他来说更有分量。
D: Smell, or olfaction, as scientists call it, is an important sense for many fish.
对很多鱼类来说，嗅觉是一种很重要的感官。
It is so close that space scientists have considered it as a next-door neighbor.
它离我们如此之近，以至于太空科学家都把它看作是我们的邻居。
The scientists are here as guests of our government.
这里的科学家是我国政府的贵宾。
As much as some scientists may complain about the new awards, two things seem clear.
虽然一些科学家可能会对这些新奖项有所抱怨，但有两件事情似乎很清楚。
Scientists have different theories as to why there's a relationship between the two.
对于两者之间关系的由来，科学家们有不同的理论。
In fact, some scientists even see love as a kind of addiction.
事实上，一些科学家甚至认为爱情是一种成瘾症。
Scientists describe such a system as self-organizing.
科学家们将这种系统命名为“自我组织”。
He often described them as little scientists.
他常把儿童称为小科学家。
As you might imagine, scientists can get pretty close to these birds.
因此可以想见科学家们与鸟儿们有多亲近。
This is the generally agreed-upon picture of our universe's origins as depicted by scientists.
这是科学家对宇宙形成的通常描述。
Its effect, some scientists say, is the same as chewing your fingernails.
据有些科学家声称，犀牛角的效果就如同嚼自己的指甲。
But more recently scientists such as Stickgold suggest dreams play a more active role.
但是最近的科学家比如斯蒂克·哥德，提出，梦有更积极的作用。
Now scientists have identified insulin as a surprising new player in this process.
现在科学家们已经将胰岛素看作是这一过程中的重要部分。
Scientists have a theory as to why aspirin might be beneficial for human physiology.
关于为什么阿司匹林对人体有益，科学家们有相应的理论。
Scientists think Earth started off as a waterless mass of rock.
科学家认为，地球最开始只是一团无水的岩石。
Scientists have three theories as to why Mercury has such an unusual inner structure.
科学家们有三个理论说明为何水星有如些不寻常的内部结构。
Scientists believe that chocolate as well as laughter increase duration of life.
科学家相信巧克力和大笑一样，可以延长寿命。
Scientists and engineers have to learn to be at least as aggressive as corn farmers.
科学家和工程师至少应该学会和玉米农场主一样积极主动的维护自己的利益。
Scientists have shown that Neandertal brains are about the same size as ours.
科学家们发现尼安德特人与我们现代人大脑的尺寸差不了多少。
In order to prevent infections, scientists need as much information as they can.
为了防止感染，科学家们需要尽可能多的信息。
Some scientists, however, say that the dolphin, a sea mammal, is just as smart.
然而，有些科学家说，海豚，一种海中的哺乳动物，也有那么聪明。
The scientists referred to the discovery as the most exciting new development in this field.
科学家把这一发现称为这一领域里最令人激动的进展。
Many scientists are skeptical as to whether or not time travel is possible.
许多科学家都怀疑时间旅行的可能性。
Many scientists are skeptical as to whether or not time travel is possible.
许多科学家都怀疑时间旅行的可能性。
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