If something exacerbates a problem or bad situation, it makes it worse.
例句
Mr Powell-Taylor says that depopulation exacerbates the problem...鮑威爾-泰勒先生說人口的急劇減少使得該問題更加嚴重。Longstanding poverty has been exacerbated by racial divisions.種族分化已經加劇了長期的貧困問題。
英英詞典釋義
Noun
1. action that makes a problem or a disease (or its symptoms) worse;
"the aggravation of her condition resulted from lack of care"
2. violent and bitter exasperation;
"his foolishness was followed by an exacerbation of their quarrel"