AnalyzerSentence analysis4SpansSentenceドアが開きました。1000 character limitAnalyzeSentenceドアが開あきました。Span Detailsドアdoornounがsubject markergrammar開あきopen; come open; open for business; start operating; be empty; be vacant; be available; be free; be open; be low-cut; leave an opening; open one's eyes or mouth; come to an end; be over; have a hole; form a gap; have an interval-> 開くgodan verbました。polite pastgrammar