因为狗陪伴人类在世界各地已经有几千年的历史了，它们目前的分布情况可能无法告诉它们的起源。

Because dogs have accompanied humans around the world for thousands of years, their current distribution may tell us very little of their origins.

youdao

目前，分布在世界各地的蝉类超过2000种。

At present, over two thousand kinds of cicadas are distributed (分布) around the world.

youdao

而且，噢，是的，他们分布在世界各地。

And, oh yeah, they are distributed around the world.

youdao