Cavolinia tridentata is a species of sea butterfly, a floating and swimming sea snail or sea slug, a pelagic marine gastropod mollusk in the family Cavoliniidae.Gofas, S.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。