字词 | 龋 |
释义 | ㄑㄩˇ[龋齿 -chǐ]因口腔不清洁,食物渣滓发酵,产生酸类,侵蚀牙齿的釉质而形成空洞。这样的牙齿叫做龋齿。俗叫“虫牙”或“虫吃牙” dental caries, decay of the teeth through the erosion of tooth-enamel caused by the acid in fermented fragments of food in the mouth; popularly called "chóngyá" or "chóngchīyá(carious tooth)" |
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