单词	retroact
释义	retroact intransitive verb ret·​ro·​act ¦re‧trō+, sometimes ¦rē‧trō+ : react Word History Etymology retro- + act
随便看	kibbeh kibbehs kibbes kibbi kibbis kibbitz kibbitzed kibbitzer kibbitzers kibbitzes kibbitzing kibble kibbled kibbles kibbling kibbutz kibbutzim kibbutznik kibbutzniks kibe kibei kibeis kibes kibitka kibitkas

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。