ブルー・バックス
burū·bakkusu
1. Blue Backs (series of books on the natural sciences published since 1963 by Kodansha)
Noun
1. Blue Backs (series of books on the natural sciences published since 1963 by Kodansha)
1. blue
2. sad; down (in the dumps)
1. blues
1. cobalt blue
1. Turkey; Türkiye
2. turquoise
1. blue-collar (worker)
1. brunette
2. woman or girl with brown skin or eyes
1. bluebird
1. back (player); the backs
1. Blue-ly; In blue