n.三日疟
adj.(疟疾)每逢第四天发生的

Quartan fever" is a term used to describe a type of periodic fever that recurs every four days.
“四日热”是一种周期性发热的术语，每隔四天复发一次。
The patient had been suffering from quartan fever for several weeks before seeking medical attention.
病人已经患了几个星期的四日热才寻求医疗帮助。
The doctor prescribed a course of antibiotics to treat the patient's quartan fever.
医生开了一疗程的抗生素来治疗病人的四日热。
Quartan fever is caused by the malaria parasite and can be fatal if left untreated.
四日热是由疟原虫引起的，如果不治疗可能是致命的。
The patient's symptoms suggested that they might have quartan fever, so the doctor ordered a blood test.
病人的症状表明他们可能患有四日热，因此医生要求做血液检查。
The medication for quartan fever must be taken regularly to prevent the recurrence of symptoms.
治疗四日热的药物必须定期服用以防止症状复发。
Quartan fever is more common in tropical regions where malaria is endemic.
四日热在疟疾流行的热带地区更为常见。
The patient was diagnosed with quartan fever after a careful examination by the doctor.
经过医生仔细检查后，病人被诊断为四日热。
Quartan fever can be prevented by taking anti-malarial medication when traveling to areas where the disease is prevalent.
在前往疾病流行地区旅行时，通过服用抗疟疾药物可以预防四日热。
The patient's quartan fever was successfully treated with a combination of antimalarial drugs and supportive care.
病人的四日热成功地用抗疟药和辅助护理治疗。