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
#1000567
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. In Boston; At Boston
1. with a piston; by piston
1. In Charleston; At Charleston
1. gemstone totem (esp. as jewelry); healing crystal
1. keystone
1. milestone