when在下面句子中怎么理解?它引导的是定语从句吗?
问题描述：
when在下面句子中怎么理解?它引导的是定语从句吗?
Rap music first started in the 1970s when young African Americans played on the streets of New York.
答
when 引导的是定语状语从句Rap music first started in the 1970s when young African Americans played on the streets of New York.句意：说唱音乐起源于二十世纪七十年代,年轻的非洲裔美国人在纽约街头演奏的那个...