AnalyzerSentence analysis3SpansSentence免疫増強剤1000 character limitAnalyzeSentence免めん疫えき増ぞう強きょう剤ざいSpan Details免めん疫えきimmunity; immunization; being hardened; being unaffected; being accustomednoun増ぞう強きょうreinforcement; strengthening; buildupnoun, suru verb剤ざいmedicine; drug; agent; chemical substancenoun, noun suffix