AnalyzerSentence analysis3SpansSentence習熟度別クラス1000 character limitAnalyzeSentence習しゅう熟じゅく度ど別べつクラスSpan Details習しゅう熟じゅく度どproficiency level; degree of skill; learning levelnoun別べつdistinction; difference; discrimination; separate; different; another; extra; exception; exclusion; classified by; ranked by; according tonoun, no-adjective, noun suffixクラスclassnoun
