ピストンリングでした
pisutonringudeshita
1. Was a piston ring.
Noun
#2081173
1. Was a piston ring.
1. ring
1. pupil; disciple
1. deci-; 10^-1
1. rolling (of a ship, etc.)
2. rolling (start, plan, etc.)
3. illegal street racing
1. earring
1. becoming a pupil (of); becoming an apprentice
1. touring (by car, bike, etc.)
1. piston; plunger
1. curling