shūki sui sei
1. periodic comet
Noun
#309544
1. periodic comet
1. cycle; period
1. bad smell; stink
1. comet
1. fall season; autumn season
1. Mercury (planet)
1. Was cyclical; Was periodic
1. If the period/cycle…; When the period/cycle…
1. Probably a cycle.; Likely periodic.
1. Was not a cycle.; Was not periodic.