hy·gien·ics /ˌhaɪˈʤinɪks, ˈʤɛ ||ʤiˈɛnɪks/
  衛生學
  hy·gien·ics /-ɪks/ 名詞
  衛生學,保健學
  Hy·gi·en·ics, n. The science of health; hygiene.
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  hygienics
       n : the science concerned with the prevention of illness and
           maintenance of health [syn: hygiene]