probably from tri- + Italian volta turn (from—assumed—Vulgar Latin volvita, from volvitare, frequentative of Latin volvere to roll) + English -ine
英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。