traffic in slaves; especially in Black Africans transported to America in the 16th to 19th centuries
同义词：slave traffic
Richmond, Virginia, for example, became a huge slave-trading center by the 1840s and 1850s.
比如里士满和弗吉尼亚,在十九世纪四十年代和五十年代,它们成为了巨大的奴隶贸易中心
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