| 例句 |
retrogressverb to go back to a previous and usually lower state or levelthe quality of research at the university lab has begun to retrogress since the massive budget cuts went into effect regress, return, revert backslide, lapse, relapsethrow backebbdecline, degenerate, drop, fall, retrograde, worsen advance, develop, evolve, progress grow, mature, ripen in 1812 |