“环程旅行”概念、定义、翻译-科学时代

单词	环程旅行
释义	旅游词汇手册环程旅行 circular tour
随便看	contraceptive failure rate contraceptive operation contraceptive prevalence index contraceptive prevalence rate contra--contra（entry） contract contract contract contract contract contract contract contract contract contract contract contract contract contract contract contract contract contract archaeology contractarian contractarianism

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。