Hygiene

['haɪdʒiːn] or ['haɪdʒin]

解释:

(noun.) the science concerned with the prevention of illness and maintenance of health.

(noun.) a condition promoting sanitary practices; 'personal hygiene'.

编辑:莎蒂--From WordNet

解释:

(n.) That department of sanitary science which treats of the preservation of health, esp. of households and communities; a system of principles or rules designated for the promotion of health.

黛尔编辑

同义词及近义词：

n. Hygienics, science of health.

伯纳黛特校对