コトコト
コトコト
with a rattling sound; with a (gentle) clinking sound; rapping (on a door)
N3Adverb
Adverb, Adverb (to particle)
with a rattling sound•with a (gentle) clinking sound•rapping (on a door)
Adverb, Adverb (to particle)
(cooking) at a simmer•(boiling) gently•(bubbling) lightly