Liú / qiú / guó / zài / lì / shǐ / shàng / céng / shì / Dōng / Yà / hǎi / shàng / mào / yì / de / zhòng / yào / cān / yù / zhě

琉球国在历史上曾是东亚海上贸易的重要参与者。

The Ryūkyū Kingdom was once an important participant in maritime trade in East Asia.