AnalyzerSentence analysis6SpansSentence潜函工法の歴史は古い。1000 character limitAnalyzeSentence潜せん函かん工こう法ほうの歴れき史しは古ふるい。Span Details潜せん函かんcaissonnoun工こう法ほうconstruction method; building techniquenounのpossession, attribution, nominalizer, or nominal linkergrammar歴れき史しhistorynounはtopic markergrammar古ふるい。old; aged; antique; long-standing; time-honored; of the distant past; stale; hackneyed; corny; old-fashioned; outmoded; out-of-datei-adjective