介かい卵らんじ字FuriganaAudioMeanings1nounbroodingbiology›Biology term for the act of incubating eggs, especially by sitting on them or keeping them warm.鳥ちょう類るいの介かい卵らん行こう動どうは種しゅによって異ことなる。Break this sentence down in the analyzerBrooding behavior in birds varies by species.