adj.病因学的，病原学的

The etiology of the disease is multifactorial, involving both genetic and environmental factors.
疾病的原因是多因素的，包括遗传和环境因素。
Scientists are still researching the etiology of autism to better understand its origins.
科学家们仍在研究自闭症的病因，以更好地理解它的来源。
The etiology of cancer often lies in lifestyle choices such as smoking and poor diet.
癌症的成因往往与生活方式选择有关，如吸烟和不良饮食。
They conducted an extensive study on the etiology of depression to find effective prevention strategies.
他们对抑郁症的成因进行了深入的研究，以寻找有效的预防方法。
The etiology of Alzheimer's disease remains a mystery, despite decades of scientific inquiry.
尽管经过了几十年的科学研究，阿尔茨海默病的成因仍然未解。
Understanding the etiology of infectious diseases is crucial for developing effective treatments and vaccines.
了解传染病的成因对于研发有效的治疗手段和疫苗至关重要。
The etiology of sleep disorders is complex, often involving a combination of physiological, psychological, and environmental factors.
睡眠障碍的成因复杂，通常涉及生理、心理和环境因素的综合作用。
The etiology of PTSD (Post-Traumatic Stress Disorder) has been extensively studied, but the exact causes are not yet fully understood.
创伤后应激障碍（PTSD）的成因已经得到广泛研究，但确切原因仍未完全明了。
Researchers are examining the etiology of obesity to identify potential targets for intervention and prevention.
研究人员正在研究肥胖的成因，以便找出可能的干预和预防目标。
The etiology of antibiotic resistance in bacteria is primarily due to overuse and misuse of antibiotics.
细菌对抗生素耐药性的成因主要是抗生素的过度使用和滥用。