名词
中文翻译：着色结石
同义词：
['pigmented stone', 'pigmented calculus例句：1. The patient had a pigmented calculus in his molar teeth.（患者有一颗色素沉着的牙齿结石。）']
例句：
-
1. The patient had a pigmented calculus in his molar teeth.
患者有一颗色素沉着的牙齿结石。
-
2. The doctor advised him to remove the pigmented calculus before the operation.
医生建议他在手术前去除色素沉着的结石。
-
3. The pigmented calculus was causing pain and discomfort for the patient.
色素沉着的结石给患者带来了疼痛和不适。