birdsongWiktionary 原文英美n.鸟鸣声中文释义来自 ECDICT构词拆解birdbird词干songsong词干词源说明From bird + song.释义名词noun1Vocalisations made by birds, considered collectively.2(ornithology) A vocalisation made by a bird, more complex than a call, for purposes associated with courtship and territory.