AnalyzerSentence analysis3SpansSentence強力な真空1000 character limitAnalyzeSentence強きょう力りょくな真しん空くうSpan Details強きょう力りょくpowerful; strongna-adjective, nounなadnominal form of the copula after a na-adjectivegrammar真しん空くうvacuum; absolute void; complete vacuitynoun