ラウンドロビンです
raundorobindesu
1. Round robin.
Noun
#252929
1. Round robin.
1. all-round
1. robin (Erithacus rubecula); European robin
1. merry-go-round; carousel
1. round table
1. Uruguay round
1. round robin
1. all-round player
1. Roundup; glyphosate-based herbicide marketed by Monsanto — explanation