单词	retroactively
释义	retroactively /ˌrɛtrəʊˈaktɪvli / adverb With effect from a date in the past: the new rates will apply retroactively from January 1... Once the budget is passed, all payments will be made retroactively. The court orders an increase in his government pension, to be carried out retroactively. Even his later eminence couldn't turn him retroactively into a cult figure.
随便看	Serpens serpent Serpentes serpentiform serpentine serpentine verse serpentinise serpentinite serpentinization serpentinize serpiginous SERPS serpulid serranid serrano serrate serrated serration serried Sertoli cell sertão serum serum hepatitis serum sickness serv.

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