Any of several large flightless birds of the genus Casuarius of Australia, New Guinea, and adjacent areas, having a large, bony projection on the top of the head and brightly colored wattles.是什么意思_Any of several large flightless birds of the genus Casuarius of Australia, New Guinea, and adjacent areas, having a large, bony projection on the top of the head and brightly colored wattles.在线翻译_英语_读音_用法_例句