hygiene
['haɪ.dʒi:n] noun uncountable
ADVANCED
■the degree to which people keep themselves or their environment clean, especially to prevent disease 卫生；卫生情况•Poor standards of hygiene mean that the disease spreads fast.恶劣的卫生情况意味着疾病会快速传播。 •health and hygiene regulations健康和卫生规定 •dental/personal hygiene口腔／个人卫生 |