Pollution can aggravate asthma.

污染会使气喘加重。

《牛津词典》

Stress and lack of sleep can aggravate the situation.

紧张和缺少睡眠会使情况恶化。

《柯林斯英汉双解大词典》

Stress can aggravate some of your PMS symptoms.

压力可能会让你的一些PMS症状恶化。

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Common side effects of most of these drugs include dry eyes and dry mouth, but drinking water to quench thirst can aggravate symptoms of overactive bladder.

CNN: Overactive bladder

In addition, extreme turbulence can aggravate headaches.

CNN: Is it OK to fly after a head injury?

Some of the things in the environment that can also aggravate from the time the woman conceived all the way to baby's birth.

NPR: Pediatrician: What Parents Should Know About Autism