A common theory for this unusual phenomenon is that the lemmings do not realize that the ocean is such a huge body of water.

对于这种不寻常的现象，一个普遍的理论是，旅鼠没有意识到海洋是如此巨大的一片水域。

youdao

There are special reasons for this unusual phenomenon.

这种奇事的发生，有其独特的原因。

youdao

In fact, a little observation, engineer wrote also become inured to the unusual phenomenon.

其实稍微观察下，工程师写的现象也见怪不怪。

youdao

He strongly opposes the war in Iraq an unusual position for a Republican and he has become an Internet phenomenon, with thousands of followers in the blogosphere.

NPR: Paul Has Long Drawn Support from Unlikely Places

The phenomenon went viral with "Driving in Russia", a 13-minute compilation video of crashes and unusual sights uploaded to the internet in early December 2012.

BBC: Meteor highlights rise of dashboard cameras in Russia