This is the 3557th most frequent Chinese word.
流行病学
The study of the distribution and determinants of diseases and health-related conditions in populations.
The word '流行病学' is used in the context of academic and scientific study referring to epidemiology, the study of disease distribution and determinants.
流行病学是一门研究疾病传播规律的科学。
Epidemiology is a science for studying the patterns of disease transmission.
Here, '流行病学' is depicted as a subject or field being studied by the speaker to gain knowledge and apply methods for disease prevention.
我正在学习流行病学，以了解传染病的预防方法。
I am studying epidemiology to understand the prevention methods for infectious diseases.
In this sentence, '流行病学' is used attributively to describe data related to the study of epidemiology, emphasizing its significance in public health research and implementation.