exacerbation
US /ɪɡˌzæs.ɚˈbeɪ.ʃən/
UK /ɪɡˌzæs.ɚˈbeɪ.ʃən/

1.
加重, 恶化
an increase in the severity of a disease or any of its symptoms
:
•
The patient experienced an exacerbation of their asthma due to the pollen.
患者因花粉而出现哮喘加重。
•
Stress can lead to an exacerbation of skin conditions.
压力可能导致皮肤病加重。