单词	sanitation
释义	sanitation /sanɪˈteɪʃ(ə)n / noun [mass noun] Conditions relating to public health, especially the provision of clean drinking water and adequate sewage disposal: they could afford to erect new dwellings with a reasonable standard of construction and sanitation... Access to clean drinking water and adequate sanitation, especially in the rural countryside, is limited. It was not just the developing countries with their large populations and lack of adequate sanitation that wanted a solution to the problem of malaria. In the absence of adequate medical services, congestion and poor sanitation may cause health hazards. Origin Mid 19th century: formed irregularly from sanitary.
随便看	ethinylestradiol ethinyloestradiol ethionamide ethionic acid ethionic anhydride ethionine Ethiop Ethiopia Ethiopian Ethiopianism Ethiopian pepper Ethiopian serenader Ethiopian sour gourd Ethiopic Ethiopical ethiops ethiops martial ethiops mineral ethisterone ethmoid ethmoidal ethmoid bone ethmoturbinal ethnagogue ethnarch

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