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1·To explain this, they hypothesize that galaxies must contain a great deal of missing matter which cannot be detected.

为了解释这一点，他们假定银河系一定包含了大量无法探测到的不明物质。《柯林斯英汉双解大词典》

2·They hypothesize that language diversity must be about history, cultural differences, mountains or oceans dividing populations.

他们假设，语言多样性一定与历史、文化差异、山脉或海洋分隔人口有关。

3·Some scientists hypothesize that the extinction of the dinosaurs resulted from the effects of an asteroid collision with Earth.

一些科学家假定，小行星撞击地球导致了恐龙的灭绝。

4·It's only logical to hypothesize that a lot of these people migrated to the Nile valley when they realized that this was more than a temporary drought.

当人们意识到这不仅仅是一场暂时的干旱时，他们中的许多人迁移到了尼罗河谷，这是唯一合乎逻辑的假设。

5·And some people take this a step further, and they hypothesize that this migration actually provided an important impetus in the development of ancient Egypt.

有些人对这方面做了进一步的研究，并假设这次的迁移实际上为古埃及的发展提供了一个重要的动力。

6·Some biologists hypothesize that a plant will stop growing if it's in the shade of another plant, a reaction that's triggered when it senses an unusual ratio of red light to far-red light.

一些生物学家假设，如果一株植物处在另一株植物的荫蔽下，它就会停止生长，当它感知到红光与远红光的不寻常比例时，反应就会触发。

7·Owens and Olson hypothesize that the presence of carotenoids, as signaled by coloration, would be meaningful in the context of mate selection if carotenoids were either rare or required for health.

欧文斯和奥尔森假设，如果类胡萝卜素是稀有的或对健康有要求的，则通过着色指示的类胡萝卜素的存在在配偶选择的背景下将是有意义的。

8·But others hypothesize that a new supercontinent will form in a different way.

但也有人假设，一块新的超级大陆将以一种不同的方式形成。

9·Their origin is uncertain, but archaeologists hypothesize that they were Canaanites.

他们的起源是不确定的，但考古学家推测他们是迦南人。

10·Researchers hypothesize that this vaccine was the source of the virus found in mesotheliomas decades later.

研究人员推测，这种疫苗就是几十年后在间皮瘤中发现的病毒的来源。