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- Yahoo字典IPA [tuːθ]
- 同義詞:
n 名詞
- 1. 牙齒; 顯示出堅定的姿態 a set of teeth 一副牙齒
- 2. 齒
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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。
Polly fell and knocked a chip out of her front tooth. "Look, I've got a wobbly tooth, " said my little daughter, proudly. These animals have razor-sharp teeth. She has a small gap between her front teeth. You should have your teeth checked by a dentist at least twice
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. （工具边缘、梳子、锯、拉链等的）齿状物，齿. 也请参见. fine-tooth comb.
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。. 牙齿 ...
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.
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 ...
Tooth Club is a website that provides oral health education and information for the public. You can learn about the structure and function of teeth, how to prevent ...
tooth, any of the hard, resistant structures occurring on the jaws and in or around the mouth and pharynx areas of vertebrates. Teeth are used for catching and masticating food, for defense, and for other specialized purposes.
2023年7月5日 · The tooth anatomy is an interesting but challenging topic that demands the respect of any health science student or professional. The human teeth are quite special because they grow twice during a lifespan, are essential structures for the mechanical digestion of food, and support certain facial features.
每顆牙齒都有專屬的工作與功能（利用此章節的牙弓認識每種牙齒及所在位置）：. 門齒 — 鑿子形狀的尖銳前排牙齒（上排四顆、下排四顆），用途為切割食物。. 犬齒（Canines） — 有時稱為cuspid（中譯亦為犬齒），這些牙齒呈尖形（尖頭），用途為撕裂食物 ...
