AnalyzerSentence analysis6SpansSentence歴史の年号を暗記する。1000 character limitAnalyzeSentence歴れき史しの年ねん号ごうを暗あん記きする。Span Details歴れき史しhistorynounのpossession, attribution, nominalizer, or nominal linkergrammar年ねん号ごうJapanese era name; imperial era namenounをobject markergrammar暗あん記きmemorization; learning by heartnoun, suru verbする。light/support verb with a noun or noun-like phrasegrammar