英语词汇retroactive的意思、用法及释义-英汉双解词典

单词	retroactive
释义	retroactive adj (fml 文) effective from a past date 溯及既往的 ; 有追溯效力的 The new law was made retroactive to 1 January, ie as if it had come into effect then. 新法令生效日期可追溯到1月1日.
随便看	dawn dawn chorus day day-book day-boy daybreak day care day-dream daylight daylights daylight saving time daylight saving[U] way of making darkness fall lat day-long day nursery day off day release day-return day-room day-school day shift daytime day-to-day daze dazed dazzle

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