コトコト (コトコト) — with a rattling sound; with a (gentle) clinking sound; rapping (on a door)
コトコト
With a rattling sound; with a (gentle) clinking sound; rapping (on a door)
(cooking) at a simmer; (boiling) gently; (bubbling) lightly
画像検索

実際には コトコト が使用されます
検索結果 コトコト
ことこと
with a rattling sound
