AnalyzerSentence analysis5SpansSentence里親制度について学ぶ。1000 character limitAnalyzeSentence里さと親おや制せい度どについて学まなぶ。Span Details里さと親おやfoster parent; pet caretaker; pet foster parentnoun制せい度どsystem; institution; organizationnoun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