12345678910111213Keywordrock cavewatchtowerFrequency#3705Strokes13ReadingsdiāoMnemonic石 (stone) gives the meaning and 周 the sound.Stroke orderComposed of石rock周to make a circuitUsed in vocabulary碉堡diāobǎo(military) pillbox; blockhouse; humorous way of writing 屌爆 (diǎobào)碉diāorock cave (archaic)