the fact of happening again反复出现;再次发生;重新产生
The doctor told him to go to the hospital if there was a recurrence of his symptoms.医生告诉他,如果症状复发的话就得去医院。
Maintaining immune function after surgery may contribute to lower tumour recurrence rates.手术后保持免疫功能可能有助于降低肿瘤再发率。