0 (the rules or science of) cleanliness whose aim is to preserve health and prevent the spread of disease -- die Hygiene
dental hygiene.
中文繁体
衛生, 衛生情況…
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卫生, 卫生状况…
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higiene, higiene [feminine]…
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higiene…
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sağlık koruma, temizlik, hijyen…
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hygiène [feminine], hygiène…
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hygiena…
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hygiejne…
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