AnalyzerSentence analysis5SpansSentence月経周期は約28日です。1000 character limitAnalyzeSentence月げっ経けい周しゅう期きは約やく28日にじゅうはちにちです。Span Details月げっ経けい周しゅう期きmenstrual cyclenounはtopic markergrammar約やくapproximately; about; around; promise; appointment; engagement; shortening; reduction; simplification; phonetic contractionadverb, noun28日にじゅうはちにち28th day of the month; 28 days-> 28日nounです。be; is; arecopula, auxiliary出洲ですspit of land; sandspit