hygiene
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h=id[i:n
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(¼øÀ§:
6905
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À§»ý; À§»ýÇÐ
Mean
The science that deals with the promotion and preservation of health.
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hygienic [Çü]
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1. mental
hygiene
(Á¤½Å À§»ý)
2. public
hygiene
(°øÁß À§»ý)
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