サイレント鎖 でしょう
sairentosadeshō
1. Probably a silent chain.
Noun
1. Probably a silent chain.
1. silent
2. silent film
3. silent letter
1. lock; padlock
2. tablet; pill
1. chain; chains
1. it seems; I think
2. right?; don't you agree?
1. Rot.; Decay.
1. Want to decay; Want to rot
1. Rot; Spoil
1. Prone to decay; Tending to spoil