It spread to much of Europe and Asia.

参考译文：它蔓延到欧洲和亚洲的大部分地区。

much of可以接以下几种名词搭配

(1)much of +地点名词，大部分面积/地区

Napoleon subdued much of Europe.  

拿破仑征服了大半个欧洲.

For four long years, much of Europe had been under a terrible shadow.  

在漫长的四年中, 欧洲大部笼罩着可怕的阴影.

(2)much of+时间名词，表示大多数时间

They spent much of their time knee-deep in mud.  

他们在齐膝深的泥地里费了好长时间。

I won't take up much of your time.  

我不会占用你很多时间.

Work engages much of her time.  

工作占去她很多时间.

(3)much of+人的名词，表示频率，即常常;多次

I don't see much of Tony nowadays.  

我现在见托尼的次数不多。

We won't be seeing much of each other for a while.  

我们会有一段时间不常见面。

(4)much of+名词 不太好的；称不上…的(用于否定结构）

It hasn't been much of a holiday. 

这简直不像是假日。

It's not much of a career, you may think.  

你可能想这根本算不上是一份职业。

He isn't much of a tennis player. 

他算不上网球好手