hardcore
noun /ˈhɑːdkɔː(r)/
/ˈhɑːrdkɔːr/
[uncountable]- a type of electronic pop music that became popular in the UK in the early 1990s. It is similar to techno, with a very fast beat and few words.
铁杆： 一种电子流行音乐，在20世纪90年代初在英国流行。它类似于技术，有一个非常快速的节拍和很少的话。 - (British English) small pieces of stone, brick, etc. used as a base for building roads on
路基碎砖石；路基垫层