ロックウールだったら
rokkūurudattara
1. If it were rockwool; When it's rockwool
★ Common
Noun
#2356809
1. If it were rockwool; When it's rockwool
1. if it's the case
1. lock
2. lock (in rugby); lock forward
1. rock (music)
2. rock; boulder
3. on the rocks (drink)
1. not be found
1. wool
1. interactive
1. automatic lock
2. automatic door-locking system
1. to loiter; to hang around