“trade observation tour”概念、定义、翻译-科学时代

单词	trade observation tour
释义	旅游词汇手册 trade observation tour 行业考察旅游
随便看	covariation covariation covarimin method cove cove cove cove cove cove lighting covelline covellite covellite covenant covenant covenant covenant covenant covenant covenant covenant covenant covenant covenant covenant against encumbrances Covenanters

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。