求翻译：　1607年，英国人来到北美大西洋沿岸，开始建立第一个殖民地弗吉尼亚。经过不断拓殖，到18世纪30年代，英国人已在北美大西洋沿岸建立了13个殖民地。在此期间大批移民移居北美，其中大多数是英国人，也有不少来自欧洲其他国家，此外还有不少从非洲贩运过来的黑奴。他们为北美的开发做出了重要贡献。是什么意思？

In 1607, the British came to the Atlantic coast of North America, began to establish the first colony of Virginia. Through continuous colonization to the 1830s, the British had established in the North American Atlantic coast, the 13 colonies. Emigrated to North America during this period a large nu

1607, the British arrived in North America, bordering the Atlantic Ocean began to establish a colony in Virginia. As a result of constant topology, to the 18th century, the British 30s Atlantic coast in North America have been established in 13 colonies. During this time large numbers of migrants em

　In 1607, the English arrived the North America Atlantic coast, started to build first colony Virginia.After opens up and settle unceasingly, to the 18th century 30's, the English has established 13 colonies in the North America Atlantic coast.In large numbers immigrates to migrate North America, in

　In 1607, the British came to the Atlantic coast of North America, began to establish the first colony of Virginia. After the colonization by in the 1730 of the 18th century, the British had established 13 colonies on the Atlantic coast of North America. During this period a large number of immigran

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