ロックウールではありませんでした
rokkūurudewārimasendeshita
1. Was not rockwool.
★ Common
Noun
#235580
1. Was not rockwool.
1. pupil; disciple
1. lock
2. lock (in rugby); lock forward
1. rock (music)
2. rock; boulder
3. on the rocks (drink)
1. wool
1. hedge
1. automatic lock
2. automatic door-locking system
1. hard rock
1. becoming a pupil (of); becoming an apprentice