AnalyzerSentence analysis5SpansSentence封筒に封印をする。1000 character limitAnalyzeSentence封ふう筒とうに封ふう印いんをする。Span Details封ふう筒とうenvelopenounにdirection, time, indirect object, or target markergrammar封ふう印いんseal; sealing; affix a seal; seal upnoun, suru verbをobject markergrammarする。light/support verb with a noun or noun-like phrasegrammar