slave (奴隷): The history of the slave trade is a dark period in human history. (奴隷貿易の歴史は、人類史の暗い時期です) - 試験に出る! 英単語検索辞書

slave (奴隷): The history of the slave trade is a dark period in human history. (奴隷貿易の歴史は、人類史の暗い時期です)

The history of the slave trade is a dark period in human history.