AnalyzerSentence analysis3SpansSentence技術を磨く1000 character limitAnalyzeSentence技ぎ術じゅつを磨みがくSpan Details技ぎ術じゅつtechnology; engineering; technique; skill; art; craftnounをobject markergrammar磨みがくpolish; shine; scrub; brush; refine; improve; hone; cultivategodan verb