Question

用英文给定语从句和名词性从句下一个定义

Answer 1

A noun clause is a dependent clause that can be used in the same way as a noun or pronoun.

An adjective clause is a dependent clause which takes the place of an adjective in another clause or phrase.

按照你给的格式就是：

A clause is called a noun clause when it can be used in the same way as a noun or pronoun.

A clause is called an attributive clause when it takes the place of an adjective in another clause or phrase.