Any of several dark-gray aquatic birds of the genus Fulica of North America and Europe, having a black head and neck, lobed toes, and a white bill.是什么意思_Any of several dark-gray aquatic birds of the genus Fulica of North America and Europe, having a black head and neck, lobed toes, and a white bill.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句