“Columbus Day”概念、定义、翻译-科学时代

单词	Columbus Day
释义	旅游词汇手册 Columbus Day 哥伦布日
随便看	ROT13加密算法 rota rota rotablation rota court rota flow meter rotala rotameter rotameter rotameter rotamower rotaprint rotary rotary rotary rotary rotary air compressor rotary & rotary &--roller mower rotary antenna rotary atomizer rotary beater rotary bit rotary boring rotary bran grader

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。