ロゼッタストーンでしょう
rozettasutōndeshō
1. Rosetta Stone, probably.; It will likely be the Rosetta Stone.
Noun
#239905
1. Rosetta Stone, probably.; It will likely be the Rosetta Stone.
1. stone wash; stonewashed (jeans, etc.)
1. it seems; I think
2. right?; don't you agree?
1. rhinestone
1. gemstone totem (esp. as jewelry); healing crystal
1. stone circle
1. moonstone
1. sunstone
1. bloodstone