AnalyzerSentence analysis6SpansSentence奴隷制の歴史について学ぶ。1000 character limitAnalyzeSentence奴ど隷れい制せいの歴れき史しについて学まなぶ。Span Details奴ど隷れい制せいslavery; system of slaverynounのpossession, attribution, nominalizer, or nominal linkergrammar歴れき史しhistorynounにdirection, time, indirect object, or target markergrammarついてabout; concerning; regarding-> 就いてexpression学まなぶ。learn; study; take lessons ingodan verb