- An island country of the eastern Caribbean between Guadeloupe and Martinique. Discovered by Christopher Columbus in 1493, the island became a British colony in the early 1800's and gained its independence in 1978. Roseau is the capital. Population, 77,000.多米尼加：位于瓜德罗普岛和马提尼克岛之间的加勒比海东部岛国，1493年为哥伦布发现，19世纪早期成为英国殖民地，1978年获得独立。首都罗索。人口77,000