エコーバックだったら
ekōbakkudattara
1. If it were an echo back; If there was an echo back
Noun
#2779473
1. If it were an echo back; If there was an echo back
1. if it's the case
1. bag
1. vast; huge
2. malva nut (Scaphium affine)
1. echo
2. ultrasound scan; echographic examination
1. not be found
1. Bakumatsu period; closing days of the Tokugawa shogunate
1. roar of laughter (from multiple people); burst of laughter
2. laughing hard (of a single person)