chronic stimulation的用法和样例：
例句
- The term of chronic irritation as a carcinogen is so vague that it is not easy to discuss.
慢性刺激作为致癌因子，其意义是如此含糊以致不易加以讨论。 - Mucin in the urine might be a sign of this disease, especially in patients who also have chronic irritation of the renal pelvis.
尿液中发现黏液性物质，尤其在肾盂存在某些慢性刺激的病患，可能是一个有意义的徵兆。
