“Political Action Committee （PAC）”概念、定义、翻译-科学时代

单词	Political Action Committee （PAC）
释义	政治学词汇手册 Political Action Committee （PAC）（美国）（产联的）政治行动委员会
随便看	water seal chamber water-sealed gland water-sealed joint water sealed safety valve water seal gland water-seal installation water seal tank water section water seepage Water-Separating Powder water separator water separator watershed watershed watershed watershed watershed watershed watershed watershed water shed watershed watershed watershed area watershed ecosystem

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。