| 单词 | río de oro |
| 释义 | Río de Oro in British English (Spanish ˈrio ðe ˈoro) noun a former region of W Africa: comprised the S part of the Spanish Sahara (now Western Sahara) Río de Oro in American English (ˌrioʊ deɪ ˈɔroʊ) Obsolete Spanish Sahara |
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