Many scientists think that liquid water is essential for life!
许多科学家认为液态水是生命存在必不可少的条件！
Scientists think that wonderful things may come true in the future.
科学家们认为这些美妙的事情在未来可能会变成现实。
Scientists think that there was, and even can still be, life on Mars.
科学家们认为火星上曾经有过生命，甚至现在也还可能有。
Scientists think that the earth is covered by huge plates made of rock.
科学家们认为地球是被岩石构成的巨大板块覆盖着。
Some scientists think that human beings is lying the top of biological chain.
一些科学家认为，人类处于生物链的顶端。
The scientists think that spider silk may have changed over time for this purpose.
科学家认为，为此目的，蛛丝可能会随着时间推移而变化。
Scientists think that this change is directly linked to the use of handheld technology.
科学家们认为这种改变直接和握柄的运用技术相联系。
Scientists think this is because of genetics and the environment that kids grow up in.
科学家认为，一方面是基因的原因，一方面则和他们生活的环境有关。
But scientists now think that life could be even nearer in our own solar system.
科学家们现在认为生命可能我们更近，就在太阳系内。
That ought to give American pundits and social scientists something to think about.
这该让美国的专家和社会科学家们好好思考一下了。
I think that there's life on Mars because scientists have found water there.
我认为火星上有生命，因为科学家已在那儿找到了水。
But scientists now think that life could be even nearer in our own solar system.
可是，现在科学家认为外星生命甚至更接近我们，就存在于我们太阳系中。
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。
Some people think that scientists are pushing back the frontiers of science.
是什么意思呀？科学家到底是推动科学前沿还是什么呢？
Some people think that scientists are pushing back the frontiers of science.
是什么意思呀？科学家到底是推动科学前沿还是什么呢？
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