The Carruca was a heavy, wheeled plow with an iron plowshare which may have been employed by some Slavic groups as early as 568 CE according to linguistic clues.White Jr.
carruca:
From carruca
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。