求翻译：哥伦布的首次远航探险、航渡美洲在地理发现史上具有重大的意义。哥伦布一行发现了美洲东部中段的印度群岛的两个大岛古巴、海地和若干小岛，从而拉开了发现新大陆的帷幕。是什么意思？

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Columbus's first voyage into the Americas adventure, voyage in geographic found on history is of great significance. Columbus discovered the Americas and in eastern India islands of the two largest islands, Cuba, Haiti, and a number of islands and thus opened the curtain of the discovery of the new

Columbus's first time long-distance voyage exploration, the river-crossing Americas have the significant significance in the geographical discovery history.Columbus and the party have discovered east the Americas center-section Indian archipelago two Oshima Cuba, Haiti and certain islands, thus pull

Columbus ' expedition voyage, voyage in the Americas for the first time in the history of geographical discovery is of great significance. Columbus discovered America middle section of East India Islands two large islands of Cuba, Haiti and several small islands, thus pulling the curtain of the disc

Columbus ' expedition voyage, voyage in the Americas for the first time in the history of geographical discovery is of great significance. Columbus discovered America middle section of East India Islands two large islands of Cuba, Haiti and several small islands, thus pulling the curtain of the disc