“about or circa”概念、定义、翻译-科学时代

单词	about or circa
释义	国际贸易词汇手册 about or circa 大约
随便看	printing cycle printing down printing down printing down printing-form production printing frame printing house printing house printing-in Printing Industries Research Association (PIRA) printing ink printing ink printing ink printing machine printing mottle printing office printing of music printing-out paper printing paper printing paste printing plate printing plate printing press printing pressure printing publication

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。

about or circa