AnalyzerSentence analysis4SpansSentence遺跡を掘削する1000 character limitAnalyzeSentence遺い跡せきを掘くっ削さくするSpan Details遺い跡せきruins; archaeological remains; relicsnounをobject markergrammar掘くっ削さくexcavation; diggingnoun, suru verbするlight/support verb with a noun or noun-like phrasegrammar