1234567891011121314151617KeywordreefjettyFrequency#2843Strokes17ReadingsjiāoMnemonic石 (rock) gives the meaning and 焦 the sound.Stroke orderComposed of石rock焦scorchedUsed in vocabulary珊瑚礁shānhújiāocoral reef礁jiāoreef; shoal rock大堡礁DàbǎojiāoGreat Barrier Reef, Queensland, Australia礁石jiāoshíreef暗礁ànjiāosubmerged reef (rock)环礁huánjiāoatoll触礁chùjiāo(of a ship) to strike a reef; (fig.) to hit a snag堡礁bǎojiāobarrier reef礁湖jiāohúlagoon