“radioactivity”概念、定义、翻译-科学时代

单词	radioactivity
释义	能源科学技术词汇手册 radioactivity 放射性
随便看	precautionary principle precautionary unemployment precaval vein precedence precedence precedence precedence effect precedence effect precedence function precedence grammar precedence level precedence matrix precedence of practice to knowledge precedence relationship precedence test precedent precedent precedent in point precedent not in point preceding dividend preceding edition preceding edition preceding endorser preceding limb preceding settlement

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。