请问这句英语中的某段是什么短语?
问题描述：
请问这句英语中的某段是什么短语?
He helped popularize the idea that some diseases not previously thought to have a bacterial cause were actually infections,which aroused much controversy when it was first suggesed.
这段话中的“ some diseases not previously thought to have a bacterial cause” 属于什么类型的短语?
答
在that引出的从句中,diseases是主语,由some修饰,后面又有定语短语修饰,是由原来的定语从句省略而成的,原来的定语从句时这样写的：some diseases that were not previously thought to have a bacterial cause.指所以...