AnalyzerSentence analysis7SpansSentence第一言語の習得は幼児期に起こる。1000 character limitAnalyzeSentence第だい一いち言げん語ごの習しゅう得とくは幼よう児じ期きに起おこる。Span Details第だい一いち言げん語ごfirst language; native languagenounのpossession, attribution, nominalizer, or nominal linkergrammar習しゅう得とくlearning; acquisitionnoun, suru verbはtopic markergrammar幼よう児じ期きearly childhood; infancynounにdirection, time, indirect object, or target markergrammar起おこる。happen; occur; arisegodan verb