琉球海liú qiú hǎiliuqiuhaiRyūkyū Searefers to the Ryūkyū Islands 琉球群島|琉球群岛[Liu2 qiu2 Qun2 dao3] stretching from Japan to TaiwanCharacters in this word海sea, ocean球ball, globe, sphere琉sparkling stoneStudy it in Yanamino