AnalyzerSentence analysis7SpansSentence人類初の月面着陸は偉業だ。1000 character limitAnalyzeSentence人じん類るい初はつの月げつ面めん着ちゃく陸りくは偉い業ぎょうだ。Span Details人じん類るいmankind; humanitynoun初はつfirst; new; initialno-adjective, noun, noun prefix, noun suffixのpossession, attribution, nominalizer, or nominal linkergrammar月げつ面めん着ちゃく陸りくmoon landing; lunar landingnounはtopic markergrammar偉い業ぎょうgreat achievement; great feat; great worknounだ。plain copulagrammar