Let me use it in a sentence; within the emperium romanum, a physical space roughly resembling the Mediterranean world the emperium romanum, the power of the roman government as wielded by the emperor is supreme.

我们来看一个句子，罗马帝国的面积达到了所有地中海国家面积的总和在罗马帝国，由罗马皇帝掌握的政府权力具有绝对的至高无上的地位。