molars
简明释义
n. [解剖]臼齿(molar 的复数)
英英释义
Molars are large, flat teeth located at the back of the mouth, used primarily for grinding and chewing food. | 磨牙是位于口腔后部的大型平面牙齿,主要用于研磨和咀嚼食物。 |
单词用法
n. 摩尔比率,摩尔浓度;克分子比,克分子比率 | |
摩尔质量 |
同义词
后牙 | 磨牙对于研磨食物至关重要。 | ||
咀嚼牙 | Back teeth are often more prone to cavities due to their shape. | 后牙因其形状更容易发生蛀牙。 | |
磨牙 | 咀嚼牙在消化过程中发挥着重要作用。 |
反义词
切牙 | 切牙用于切割食物。 | ||
犬牙 | 犬牙是尖锐的牙齿,帮助撕裂食物。 |
例句
1.The elephant grinds its food with its powerful molars.
象用其强有力的臼齿嚼碎食物。
2.Wisdom teeth are molars, or chewing teeth at the back of the mouth.
智齿一般是长在口腔后部的臼齿或者嚼牙。
3.Human molars and jaws responded to the invention of cooking by getting smaller.
人类的牙齿及下颚由于烹饪的发明而变得越来越小。
4.The molars of all patients were moved orderly, and didn t take place mesiolingual rotation and medal tilt.
所有病例矫治中磨牙整体移动,矫治中和矫治后未发生磨牙的近中舌向旋转和近中倾斜。
5.But you can tell me the story about the molars. I'd love to hear it.
但是你可以告诉我你磨牙的事,我想听。
6.A jawbone with three molars was found 10, 000 feet up Thousand Lake Mountain in Wayne County, Utah.
一块带有三只臼齿的下颚骨在犹他州韦恩郡的千湖山1万英尺高处被发现。
7.Sealants are protective coatings placed over the tops of chewing teeth - molars and premolars.
封闭剂在是牙齿咀嚼面上覆盖一层保护材料——在磨牙或者前磨牙。
8.The molars are the largest teeth in the mouth and are also very strong - there are four at the top and four at the bottom.
臼齿是口腔内较大的牙齿,同样十分坚韧,分布于左右颊部后端,上下各四颗。
9.The third set of molars, if you have them, are your wisdom teeth.
如果你有第三套磨牙的话,那就是你的智齿了。
10.I felt a sharp pain in my back 磨牙 while eating.
我在吃东西时感到后面磨牙有剧烈的疼痛。
11.Children usually lose their primary 磨牙 around the age of six.
孩子们通常在六岁左右会掉落他们的乳磨牙。
12.Brushing your 磨牙 properly can help prevent cavities.
正确地刷洗你的磨牙可以帮助预防蛀牙。
13.Wisdom 磨牙 often require extraction if they are impacted.
如果智齿受到影响,通常需要拔除。
14.The dentist said I need to get my two lower 磨牙 removed due to decay.
牙医说我需要拔掉两颗下方的磨牙,因为蛀牙严重。
作文
The human mouth is a complex structure, housing various types of teeth that serve different purposes. Among these, the most significant are the incisors, canines, premolars, and the often-overlooked molars. The molars (磨牙) are located at the back of the mouth and are designed primarily for grinding food. Their broad, flat surfaces make them ideal for breaking down tough and fibrous materials, which is essential for effective digestion.In children, the first set of teeth, known as primary or baby teeth, includes molars (磨牙) as well. These primary molars (磨牙) typically emerge around the age of two or three and play a crucial role in helping children chew their food properly. As they grow older, these primary molars (磨牙) are replaced by permanent ones, which usually appear between the ages of six and twelve.The adult human mouth generally contains twelve molars (磨牙), with three on each side of the upper and lower jaws. The last set of molars (磨牙), commonly known as wisdom teeth, usually erupts in late adolescence or early adulthood. Unfortunately, many people experience complications with their wisdom teeth due to insufficient space in the jaw, leading to potential overcrowding or impaction. This can result in pain and may require surgical removal.Maintaining good oral hygiene is crucial for the health of our molars (磨牙). Neglecting proper care can lead to cavities and gum disease, particularly because molars (磨牙) have multiple grooves and pits where food particles can become trapped. Regular brushing and flossing, along with routine dental check-ups, are essential practices to ensure that our molars (磨牙) remain healthy throughout our lives.In addition to their functional role in chewing, molars (磨牙) also contribute to the overall alignment of our teeth. They support the structure of the jaw and help maintain facial aesthetics. When molars (磨牙) are lost or damaged, it can lead to misalignment of other teeth, affecting not only our bite but also our appearance.Interestingly, the size and shape of molars (磨牙) can vary significantly among individuals and across different populations. Anthropologists study these variations to understand dietary habits and evolutionary changes in humans. For example, populations that traditionally consume tougher foods may have larger and more robust molars (磨牙) compared to those who have diets consisting mainly of softer foods.In conclusion, molars (磨牙) are an integral part of our dental anatomy, playing vital roles in food processing, oral health, and overall facial structure. Understanding the importance of these teeth encourages us to take better care of them. Regular dental visits and proper hygiene practices are essential to preserving our molars (磨牙) and ensuring that they function effectively throughout our lives. By valuing our molars (磨牙), we enhance not only our health but also our quality of life, enabling us to enjoy a variety of foods without discomfort.
人类的口腔是一个复杂的结构,里面有多种类型的牙齿,各自承担不同的功能。在这些牙齿中,最重要的包括门牙、犬牙、前磨牙和常被忽视的磨牙。磨牙(磨牙)位于口腔的后部,主要用于研磨食物。它们宽阔平坦的表面使其非常适合粉碎坚韧和纤维状的食物,这对有效消化至关重要。在儿童时期,第一套牙齿,即乳牙,也包括磨牙(磨牙)。这些乳磨牙(磨牙)通常在两到三岁时长出,并在帮助儿童正确咀嚼食物方面发挥着至关重要的作用。随着他们的成长,这些乳磨牙(磨牙)会被恒牙取代,通常在六到十二岁之间出现。成年人的口腔通常包含十二颗磨牙(磨牙),上下颚每侧各有三颗。最后一组磨牙(磨牙),通常被称为智齿,通常在青少年晚期或成年早期萌出。不幸的是,由于下颌缺乏足够的空间,许多人在智齿方面会遇到并发症,导致潜在的拥挤或阻塞。这可能会引起疼痛,可能需要手术拔除。保持良好的口腔卫生对我们的磨牙(磨牙)健康至关重要。忽视适当的护理可能导致蛀牙和牙龈疾病,特别是因为磨牙(磨牙)有多个沟槽和凹陷,食物颗粒容易卡在其中。定期刷牙和使用牙线,以及定期的牙科检查,是确保我们的磨牙(磨牙)在整个生命中保持健康的基本做法。除了在咀嚼中的功能外,磨牙(磨牙)还对我们牙齿的整体排列产生影响。它们支持下颌的结构,并帮助保持面部美观。当磨牙(磨牙)丢失或受损时,可能会导致其他牙齿的错位,不仅影响咬合,还影响外观。有趣的是,磨牙(磨牙)的大小和形状在个体之间以及不同人群之间可能会有显著差异。人类学家研究这些变化,以了解饮食习惯和人类的进化变化。例如,传统上食用更坚韧食物的人群,可能比以软食为主的人群拥有更大、更强壮的磨牙(磨牙)。总之,磨牙(磨牙)是我们牙齿解剖结构的重要组成部分,在食物处理、口腔健康和整体面部结构中发挥着重要作用。理解这些牙齿的重要性促使我们更好地照顾它们。定期的牙科检查和适当的卫生习惯对于保护我们的磨牙(磨牙)至关重要,确保它们在我们的生活中有效地发挥作用。通过重视我们的磨牙(磨牙),我们不仅提升了健康,还改善了生活质量,使我们能够无不适地享受各种食物。