３つの密
みっつのみつ Expression- 1three Cs ; three conditions that facilitate the transmission of infectious diseases (closed spaces, crowds, and close contact) Translated by Jiyomi
Other writings and readings
三つの密
expressions (phrases, clauses, etc.) · noun (common) (futsuumeishi)
Kanji · tap to open
JMdict entry 2848585. Source and licence.