Rosario, Argentina (population 1.3M) is on the Paraná River - football superstar 莱昂内尔·梅西 (Lionel Messi) and revolutionary 切·格瓦拉 (Che Guevara) were both born there. The Spanish word "Rosario" literally means "rosary" (string of roses), originally a Catholic devotional name.
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Four-syllable transliteration: 罗 approximates "Ro-", 莎 "-sa-", 里 "-ri-", 奥 "-o." 莎 (with grass radical) is the standard "-sa" character for women's names: 莉莎 (Lisa), 莎拉 (Sara).