ランドルト環 じゃありません
randorutotamakijārimasen
1. Not a Snellen chart.; Not the Landolt ring.
Noun
#670846
1. Not a Snellen chart.; Not the Landolt ring.
1. (common) cold; influenza
1. snake
2. serpent; large snake
1. then; well
1. hedge
1. journal; log
1. corona
2. coronavirus
3. COVID-19