regurgitation of gastric juice

例句：

1. 1.He had a severe case of reflux and was advised to avoid spicy foods.
   他患有严重的反流病，被建议避免吃辛辣的食物。
2. 2. The doctor found that the patient's reflux was due to an underlying heart condition.
   医生发现患者的反流是由于一个潜在的心脏疾病引起的。
3. 3. During the surgery, the patient experienced a reflux episode that required immediate medical attention.
   手术期间，患者经历了一次反流发作，需要立即医疗干预。