Definition
卫生学 is the academic field of hygiene — the study of how to maintain health through cleanliness, sanitation, and disease prevention. It's a formal, technical term used in medical, public health, and academic contexts, not in everyday conversation (where 卫生 alone suffices).
n.
hygiene (as an academic discipline)sanitary science
Examples
- 卫生学。Tā zài dàxué zhǔxiū wèi shēng xué.He majored in hygiene at university.
- 卫生学。wèi shēng xué yánjiū rúhé yùfáng jíbìng chuánbō.Hygiene studies how to prevent the spread of disease.
- 。Zhè mén wèi shēng xué kèchéng hángài le gōnggòng wèishēng de jīběn zhīshi.This hygiene course covers the basics of public health.
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