A mirage is an optical illusion.

海市蜃楼是一种视错觉.

Everyone loves a good optical illusion.

每个人都喜欢好的视觉错觉。

This must be some kind of optical illusion.

这一定是某种视错觉。

I think I see a ghost but it is just an optical illusion.

我以为我看见鬼了,其实只是一种幻觉.

A mirage is an optical illusion founded on waves of heat.

海市蜃楼是由大气热潮产生的一种光学幻觉.

I thought I saw a ghost but it was just an optical illusion.

我以为我看见鬼了,其实只是一种幻觉.

A mirage is an optical illusion caused by hot air conditions.

海市蜃楼是由空气引起的光学幻想.

I think I saw a ghost but it was just an optical illusion.

我以为我看见鬼了，其实只是一种。

Sometimes we call it for illusion or optical illusion, but it seems so real when you know the implication.

有时候我们称此为幻觉或是光影幻觉，但当你发现它内涵的图像又是如此的真实。

This must be some kind of optical illusion. The question is, which one?

一定是一些光学上的错觉。问题是，是哪一种错觉？