exacerbate例句

The straight - chain alkanes exacerbate the problem of engine " knock ".
直链烷烃使机器的 “ 爆震 ” 问题更加严重.

Remedial action is always expensive and, in some cases, may actually exacerbate the problem.
补救工作总是代价很大,并且在某些时候反而会使问题更严重.

Chronic pain can exacerbate or prolong the function disability of the patients.
慢性疼痛可加重或延长脑外伤病人的功能残疾.