得承认这只是一种理论，但其各部分自成一体。
It's only a theory, admittedly, but the pieces fit together.
一种理论是，它们是由于人类的猎杀而灭绝的。
One theory is that they were hunted to extinction by humans.
甚至有一种理论认为手机要对蜜蜂的消失负责！
There's even one theory that mobile phones should be responsible for the disappearance of bees!
有一种理论认为，我们做梦是为了释放深藏的、隐秘的欲望。
One theory is that we dream to release the deep, secret desires.
另一种理论是，梦让我们能够解决现实生活中无法解决的问题。
Another theory is that dreams allow us to solve problems that we can't solve in real life.
现在我们来看看另一种理论，狩猎理论的替换，气候变化理论。
Now let's look at another theory, an alternative to the hunting theory, the climate change theory.
最后一种理论很有吸引力，因为它给解释封闭海域（如日本海）带来了一些希望。
This last theory is attractive because it gives some hope of explaining the enclosed seas, such as the Sea of Japan.
另一种理论是，板块下沉部分的密度大于周围较热的地幔，将板块的其余部分拉在后面。
An alternative theory is that the sinking part of the plate, which is denser than the hotter surrounding mantle, pulls the rest of the plate after it.
这似乎是合理的，但它仍然是一种理论，这个理论是基于我们对陆生动物的更全面的认识。
Plausible as this seems, it is still a theory and based on our more comprehensive knowledge of land-based animals.
有一种理论认为，两足动物的进化与核心家庭有关：一夫一妻制的父母合作照顾他们的后代。
One theory is that bipedality evolved in conjunction with the nuclear family: monogamous parents cooperating to care for their offspring.
越来越多的人支持这样一种理论，即移民发生得要早得多，是沿着阿拉斯加沿海路线，沿西北海岸而下通过海路进行的。
There is growing support for the theory that migration took place much earlier, by sea, following a coastal route along Alaska and down the northwest coast.
最近的发现有力地支持了这样一种理论，即银河系中心，和宇宙中估计存在的1000亿个其他星系中的许多里有一个黑洞。
Recent findings lend strong support to the theory that a black hole lies at the center of the Milky Way and of many of the 100 billion other galaxies estimated to exist in the universe.
“这只是一种理论，”罗津强调说。
这样一种理论当然被富人奉若至宝。
一种理论是飞机被雷电击中。
然而，这还只是一种理论。
That's still just a theory, however. But it brings us to our next entry...
然而一名词汇专家有另一种理论。
有一种理论将其归结为经济使然。
一种理论认为抑制胃酸分泌可能会阻碍钙的吸收。
One theory is that suppressing stomach acid might interfere with the absorption of calcium.
我们将带着一种理论的倾向性来阅读本周的内容。
我们开始纯粹把它当作一种理论来研究。
不是一种理论。
有一种理论甚至认为它可能创造一个黑洞。
这是一种理论。
有一种理论使他着了魔。
哪一种理论是正确的呢？
进化论只是一种理论，既不是事实，也不是科学规律。
Evolution is only a theory. It is not a fact or a scientific law.
一种理论将这个问题归咎于大脑不能再生新的神经元细胞。
而是，这一扔是他们正在测试的一种理论的现实版证据。
The fling was just real-world evidence of a theory they were testing.
有一种理论认为，中东人民将他们的工具和技术带到了欧洲。
One theory is that peoples from the Middle East brought their tools and technologies to Europe.
应用推荐