pro·phy·lax·is /-ˈlæksəs/
預防
pro·phy·lax·is /-ˈlæksəs/ 名詞
預防
Proph·y·lax·is n. Med. The art of preserving from, or of preventing, disease; the observance of the rules necessary for the preservation of health; preservative or preventive treatment.
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prophylaxis
n : the prevention of disease