“tariff barrier”概念、定义、翻译-科学时代

单词	tariff barrier
释义	旅游词汇手册 tariff barrier 关税壁垒
随便看	William William William William William William William William William William William William William William William William William Aberhart William Alexander Bustamente William Alexander Parsons Martin William Allen White William Augustus William Averell Harriman William Booth William Butler William Byrd

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。