“radioactivity”概念、定义、翻译-科学时代

单词	radioactivity
释义	医学词汇手册 radioactivity 放射性，辐射性
随便看	days' purchases in accounts payable day's run days' sales in accounts receivable days' sales in inventory days' sales in inventory--days' sales in inventory（DSI） days' sales in inventory（DSI） days' sales outstanding days' sales outstanding--days' sales outstanding（DSO） days sales outstanding (DSO) days' sales outstanding（DSO） day star days to sell inventory days when available days　装卸天数 daytime drama daytime meteor daytimer daytime sensitivity daytime stream daytime stream daytime train daytime train daytime transparency daytime（-only）station day-to-day-collective bargaining

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。