ornithologist的复数形式怎么拼写

ornithologist的音标：ornithologist的英式发音音标为：[ˌɔ:nɪ'θɒlədʒɪst]ornithologist的美式发音音标为：[ˌɔrnɪ'θɑlədʒɪst]...

That area is an ornithologist's paradise.那个地区是鸟类学家的天堂。The islands are an ornithologist's paradise and a vacationer's delight.群岛是鸟类学家的天堂,度假者的乐园.In 1900 Frank Chapman , an ornithologist, suggested a count in...

n.鸟类学者...