英语词汇retroactivity怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	retroactivity
释义	retroactivity 英/ retr???k?t?v?ti / 美/ ?retro???k?t?v?ti / 简明释义 n.追溯既往；追溯效力网络释义 1 ?倒行 ... 倒行 = retroactions 倒行 = retroactivities 倒踏脚踏板 = backpedal ...
随便看	solid buoyancy material solid bushing solid business firm solid cable solid cadmium solid cam solid cam solid cannoned minute hand solid capacity solid car solid carbide solid carbide drill solid carbide end mill solid carbide reamer solid carbide subland drill solid carbide twist drill solid carbon solid carbon brush solid carbon dioxide solid carburising solid carburization solid carburizer solid carburizing solid carburizing compound solid carcass belt

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。