“Slavery in the United States”的概念、定义、翻译、参考文献-科学参考

单词	Slavery in the United States
释义	Slavery in the United States Encyclopedia 历史学美国历史释 Slavery in the United States美国奴隶制在美国历史上长期持续的人身奴役制度，受奴役的对象主要来自非洲的强制移民及其后代。
随便看	conjugate subgroup conjugate surd conjugate surfaces conjugate symmetric sequence conjugate system conjugate system of curves conjugate tensor conjugate transformation conjugate transpose conjugate transposed matrix conjugate trigonometric series conjugate variable conjugate variables conjugate variety conjugate vector conjugate wave conjugation conjugation class conjugation fraction conjugation mapping conjugation molecule conjugation move conjugation operator conjugation problem conjugation tube

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