Scientists believe they are onto something big.
科学家相信，他们将会有重大发现。
Some scientists believe we can.
一些科学家相信我们可以做到。
Most scientists believe that the moon's poles are where water is most likely to exist.
大多数科学家认为，月球的两极是最有可能存在水的地方。
Scientists believe there might be such chemicals lying at the bottom of Europa's ocean.
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 that, in the future, it could solve the problem of plastic pollution.
科学家相信，在未来，它可以解决塑料污染的问题。
Scientists believe that intelligence can expand and fluctuate according to mental effort.
科学家们相信智力会随着大脑的努力而增加和波动。
Today, scientists believe that 10% of the workers in Britain are becoming deaf because of the noise where they work.
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。
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，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 personality characteristics such as friendliness, shyness and fears are not a result of environment.
科学家认为，诸如友善、害羞和胆怯等性格特征不是环境造成的。
Scientists believe we naturally store fat around the stomach first, but at some point, the body may start storing it elsewhere.
科学家认为，我们首先会自然地将脂肪储存在胃周围，但从某时开始，身体可能会开始将脂肪储存在其他地方。
It's hard to understand why they would not be affected, whereas dinosaurs were left too crippled to cope, especially if, as some scientists believe, dinosaurs were warm-blooded.
很难理解为什么它们不会受到影响，而恐龙却因为残疾而无法生存，尤其是如果恐龙像一些科学家认为的那样是温血动物。
Some scientists believe it will be difficult to make robots really think like a human.
一些科学家认为，要让机器人真正像人类一样思考是很困难的。
The test lasted for 21 days because some scientists believe that 21 days is long enough to help form a habit.
这项测试持续了21天，因为一些科学家认为21天足以帮助形成一种习惯。
Some scientists believe that the first plants to appear on Earth over 500 million years ago probably looked purple, not green.
一些科学家认为，5亿年前出现在地球上的第一批植物可能看起来是紫色的，而不是绿色的。
Many scientists believe that El Nino events, caused by warming in the Pacific, are becoming more intense as a result of climate change.
许多科学家认为，由于气候变化，太平洋变暖引起的厄尔尼诺现象正愈演愈烈。
Since most planetary scientists believe that water is essential to life, the presence of jarosite means that one prerequisite for life was once present on Mars.
由于大多数行星科学家认为水是生命的基本要素，因此黄钾铁矾的存在意味着火星上曾经存在出现生命的先决条件之一。
Now scientists believe they understand why that happens.
现在科学家相信他们已经能够解释原因。
Ungrateful people are actually cheating themselves, scientists believe.
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.
科学家们认为，不知感恩的人实际上是自欺欺人。
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