I'm sure there's a perfectly rational explanation.

我确信有完全合理的解释。

The strange events are capable of rational explanation.

对这些怪事可以给出合理的解释。

That was , I realized, a perfectly rational explanation.

我明白这个说法完全合乎情理。

You may soon find a rational explanation for your fears.

说不定，你很快就能为你的恐惧找到一个合理的解释。

I don't know why though, there is no real rational explanation.

我不知道为什么，这里没有一个真正合理的解释。

We gave a rational explanation for this phenomenon by using quantum effect and surface effect of nanostructured materials.

我们用纳米材料的量子效应和表面效应对蓝移现象进行了解释。

Since the 80's of the 20th century, scholars have been seeking academic breakthrough in the rational explanation for what impacts the exchange rate.

20世纪80年代以来，学术界不断寻求突破，以期为汇率如何决定这一基本命题提供更为合理的解释。