“Columbian Exchange”概念、定义、翻译-科学时代

单词	Columbian Exchange
释义	历史学词汇手册 Columbian Exchange 哥伦布交换（又译哥伦布交流，指由哥伦布发现新大陆开始西半球与东半球间动植物及疾病的转移）
随便看	research and development research and development research and development Research and Development research and development research and development cost research and development expense research and development facility research and development (R & D) research and development (R & D) Research and Development (R & D) research and development (R & D) research and development (R & D) research and development (R&D) research and development (R&D) research and development (R&D) research and development--research and development (R & D) research and development--research and development (R & D) Research and Development--Research and Development (R & D) research and development--research and development (R & D) research and development--research and development（R & D） research and development strategy research and development（R & D） research and isotope reactor research assistantship

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。