hygiene
/ˈhaɪdʒiːn/noun
mass noun
- conditions or practices conducive to maintaining health and preventing disease, especially through cleanliness卫生; 保健：
poor standards of food hygiene
糟糕的食品卫生标准
personal hygiene.
个人卫生。
词源
late 16th cent.: via French from modern Latin hygieina, from Greek hugieinē（tekhnē） '(art) of health', from hugiēs 'healthy'.