シリアルナンバーでしょう
shiriarunambādeshō
1. Probably a serial number.
Noun
#65828
1. Probably a serial number.
1. number
2. number plate; license plate
1. number one
1. number plate; license plate
1. serial
1. cereal; breakfast cereal
1. it seems; I think
2. right?; don't you agree?
1. Number one; Best
1. If number one; When number one
1. Number one; Best