retrogradeadj.倒退的；退步的；逆行的；衰减的v.倒退；退化；逆行adv.后退地retrograde policy倒退的政策retrograde P wave逆行P波retrograde cancer[医] 退化癌, 退行性癌retrograde return逆行返回retrograde tracing逆行追踪retrograde vernier逆游标,反读游标retrograde reentry逆行再入retrograde atrophy逆行性萎缩retrograde amnesia逆行性遗忘Retrograde PT path退变质PT轨迹