环游世界英语怎么说

“环游世界”的英文是“to travel around the world”。这个短语来源于英语中“around”和“world”的搭配，“around”表示“环绕”，“world”表示“世界”。因此，“to travel around the world”就表示“环游世界”。

下面是一些例句：

I've always dreamed of traveling around the world.
He's been traveling around the world for the past two years.
She's planning to travel around the world after she graduates.