vt.加重(使 ... 恶化；激怒)

Scratching exacerbates a skin rash. 皮疹搔後会恶化。

Her mother's interference exacerbated the difficulties in their marriage. 她母亲从中干预使他们的婚姻雪上加霜。

China's older air-traffic-control systems exacerbate the delays. 中国陈旧的空中交通控制系统更是雪上加霜。