hikaritsūshindatta
1. Optical communication was.
Noun
#114882
1. Optical communication was.
1. to shine; to glitter
1. online shopping service (with delivery by mail); mail order
1. communications network
1. communication satellite; Broadcast Satellite
1. data communication
1. corona
2. coronavirus
3. COVID-19
1. to shine; to glitter
1. correspondence; communication
1. fluorescent lamp; fluorescent light
2. person who is slow to react; someone slow on the uptake