经济学
毛织机
Christopher Columbus, or Cristoforo Colombo, was born in Genoa, Italy, the son of a wool weaver.
BBC: News | World | Columbus tops millennium poll
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。