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tooth noun (POINT) [ C usually plural ] any of the row of points that stick out from the edge of a tool or piece of equipment, such as a comb, saw, or zip. （工具邊緣、梳子、鋸、拉鏈等的）齒狀物，齒. 也請參見. fine-tooth comb.
提供口腔健康教育資源，包括認識牙齒、護齒秘訣、口腔護理用品等相關資訊。
Human teeth function to mechanically break down items of food by cutting and crushing them in preparation for swallowing and digesting. As such, they are considered part of the human digestive system. [1] Humans have four types of teeth: incisors, canines, premolars, and molars, which each have a specific function.
TOOTH翻译：嘴巴, 牙，牙齿, 尖端, （工具边缘、梳子、锯、拉链等的）齿状物，齿, 力量。了解更多。
A tooth (pl.: teeth) is a hard, calcified structure found in the jaws (or mouths) of many vertebrates and used to break down food. Some animals, particularly carnivores and omnivores , also use teeth to help with capturing or wounding prey, tearing food, for defensive purposes, to intimidate other animals often including their own ...
人类共有四种不同类型的牙齿，即門齒、犬齒、前臼齿和臼齿。. 每种类型的牙齿有不同的用途。. 门齿用于切割食物，犬齿用于撕碎食物，臼齿用於碾碎食物。. 成年人牙齿的牙根是嵌入在上颌骨（上颌）以及下颌骨（下颌）的 牙槽突 ，它们被牙龈覆盖 ...
維基百科 中的醫學內容 僅供參考 ，並 不能 視作專業意見。. 如需獲取醫療幫助或意見，請諮詢專業人士。. 詳見 醫學聲明 。. 人類的牙齒. 牙齒. 牙齒 存在於很多 脊椎動物 ( 鳥類 除外)的 頭部 （或口部）內、功能用於咀嚼 食物 的 鈣 化 組織 。. 肉食性動物 ...
