科学家们认为很久以前在那个行星上可能有水存在。
Scientists think there was probably water on the planet long ago.
科学家们认为，在木卫二的海底可能存在这样的化学物质。
Scientists believe there might be such chemicals lying at the bottom of Europa's ocean.
科学家们认为在大气层下存在着一层由碳和氧组成的稀薄地壳。
Under the atmosphere, scientists think there is a very thin crust of carbon and oxygen.
科学家们认为，这些内脏被挤压、挤压或摇晃，就像一碗果冻在移动的汽车里。
The scientists had assumed that the guts were squished or squeezed or wobbled about like a bowl of jello in a moving car.
如今，科学家们认为，英国有10%的工人正在因为工作场所的噪音而逐渐失聪。
Today, scientists believe that 10% of the workers in Britain are becoming deaf because of the noise where they work.
这些探测器还让科学家们认为，在木卫二的表面之下，有一个释放出火山的热量的岩石内核。
The probes have also made the scientists think that under its surface, Europa has a rocky core giving off volcanic heat.
到二十世纪初，科学家们认为，在更新世期间，有四次不同的冰川作用对北美和欧洲产生了影响。
By the early part of the twentieth century, scientists believed that four distinct glaciations had affected North America and Europe during the Pleistocene epoch.
起初，科学家们认为刻在鹿角上的几何图形可能是之前提到的那个女人，也可能是一个举着双臂的裸体男人。
At first, the scientists believed the geometrical figure carved onto the antler could have been either the mentioned woman, or a nude man raising his arms.
考虑到他们对待家畜的方式，科学家们认为公众在动物福利方面特别言行不一致。
The scientists saw the public as being particularly two-faced about animal welfare in view of the way domestic animals are treated.
科学家们认为，这是因为电影让他们想到了自己的生活和人际关系。
Scientists believed this was because the movie made them think about their own lives and relationships.
科学家们认为，一艘像气球一样膨胀的宇宙飞船能够携带那么多的水。
Scientists think that a spaceship blown up like a balloon will be able to carry that much water.
过去科学家们认为人们驯服猫是为了捉老鼠和保护谷物。
Scientists used to believe that people tamed cats to catch mice and protect the grain.
科学家们认为，在过去的一个世纪里，我们已经让世界上超过一半的食物种类消失了。
Scientists believe that over the past century, we have allowed more than half of the world's food varieties to disappear.
科学家们认为，我们只要在厨房里打开一台打印机，就可以随时享用我们最喜欢的食物。
Scientists believe that we just need to turn on a printer in the kitchen and then we can enjoy our favourite food whenever we like.
科学家们认为，区别在于光经马毛反射的方式。
The differences, say the scientists, come from the way light bounces off horsehair.
科学家们认为狩猎者更容易发现一般性的猎物。
Predators detect common forms of prey more easily, the scientists figure.
科学家们认为，不断上升的海面温度是罪魁祸首。
The scientists believe that rising sea surface temperatures are to blame.
科学家们认为，不知感恩的人实际上是自欺欺人。
Ungrateful people are actually cheating themselves, scientists believe.
因为她的头骨相对小而轻，科学家们认为她是女性。
Scientists believe she was a female because her skull is relatively small and lightly built.
刚开始，科学家们认为可能某种新型疾病是罪魁祸首。
At first, scientists thought a new strain of disease might be responsible.
科学家们认为，笑的产生也许比人类语言早数百万年。
Laughter probably predates human speech by millions of years, scientists think.
科学家们认为火星冰河是区域性冰原撤退后留下的残余。
Scientists think the Mars glaciers may have been left as remnants when regional ice sheets retreated.
科学家们认为海洋的酸性已经比上个世纪稍微大了一点。
Scientists believe that the oceans have already become slightly more acidic over the last century.
科学家们认为，在这篇报告中还有一些令人惊讶的因素。
There were also some surprising elements to the report, scientists say.
科学家们认为，这个发现表明鱼类的大脑和人类极其相似。
Scientists say the discovery shows how similar their brains are to ours.
研究驻颜术的科学家们认为食用熏肉和鸡蛋会使你皱纹增多。
Bacon and eggs can make you wrinkly, say scientists searching for the secret of looking young.
科学家们认为，这一发现可能有助于专家预防小行星碰撞地球。
Scientists believe the find could help experts prevent any asteroid from colliding with the earth.
科学家们认为光环外侧的物质向内移动并猛烈撞击“土卫八”。
Scientists think material from the outer ring moves inward and slams into Iapetus.
科学家们认为光环外侧的物质向内移动并猛烈撞击“土卫八”。
Scientists think material from the outer ring moves inward and slams into Iapetus.
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