AnalyzerSentence analysis2SpansSentence吹き抜け階段1000 character limitAnalyzeSentence吹ふき抜ぬけ階かい段だんSpan Details吹ふき抜ぬけatrium; open vertical space; stairwell; blow-by; leakage; blowout; drafty; draughtynoun, noun-modifying, no-adjective階かい段だんstairs; stairway; staircasenoun