chronic stimulation的用法和樣例：
例句
- The term of chronic irritation as a carcinogen is so vague that it is not easy to discuss.
慢性刺激作為致癌因子，其意義是如此含糊以致不易加以討論。 - Mucin in the urine might be a sign of this disease, especially in patients who also have chronic irritation of the renal pelvis.
尿液中發現黏液性物質，尤其在腎盂存在某些慢性刺激的病患，可能是一個有意義的徵兆。
