black tongue disease

例句：

1. 1.He developed a black tongue disease after eating too much spicy food.
   他吃太多辛辣的食物后患上了黑舌病。
2. 2.The doctor diagnosed him with a black tongue disease and prescribed medication for treatment.
   医生诊断他患有黑舌病，并开了药进行治疗。
3. 3. Black tongue disease is often caused by poor oral hygiene or excessive consumption of spicy foods.
   黑舌病通常由口腔卫生不佳或过量食用辛辣食物引起。