c. 1400, from Late Latin exacerbationem (nominative exacerbatio), noun of action from past participle stem of Latin exacerbare "exasperate, irritate, provoke," from ex- "thoroughly" (see ex-) + acerbus "harsh, bitter," from acer "sharp, keen" (see acrid).
权威例句
1. Bleeding may be herralded by several day of exacerbation of pain.
数天的疼痛加剧可能为出血的先兆.
2. For several days, he has had an exacerbation of ulcer symptoms.
近日他溃疡病症状加剧.
3. Nonetheless, none of these pathogens is associated with severity of asthma exacerbation.
然而, 这些病原体与哮喘恶化的程度无关.
4. His foolishness was followed by an exacerbation of their quarrel.
他的愚蠢导致了他们之间争执的加剧.
5. Eczema exacerbation, Jishi fish, shrimp, seafood and other foods prone to allergies.