n.卫生；卫生学
People should wash regularly to ensure personal hygiene. 人们应经常洗澡以保证个人卫生。
Many diseases proceed from negligence of hygiene. 许多疾病源于不讲卫生。
He's going to give us a lecture on public hygiene. 他要给我们作关于公共卫生方面的报告。
The main field of hygiene is concerned with healthy living and cleanliness. 卫生学的主要范围是健康的生活及清洁有关。
