jaw
bone
1
颌骨, 下颌
either of the bones that form the jaw, particularly the lower jaw
The jawbone, also known as the mandible, is the largest and strongest bone in the face that forms the lower part of the skull. It serves as the foundation for the lower teeth and provides support for facial structures. The jawbone plays a vital role in eating, speaking, and facial expression. It is a movable bone that allows for the opening and closing of the mouth, as well as the chewing and grinding of food. Additionally, the jawbone houses the lower dental arch, holding and supporting the lower teeth. Its structure and function are essential for proper oral health, facial aesthetics, and overall functionality of the head and neck region.
- The boxer's opponent landed a powerful punch to his jawbone, causing him to stagger backward.
拳击手的对手一记重拳打在他的颌骨上，使他踉跄后退。
- The dentist examined the x-ray images to assess the condition of the patient's jawbone before proceeding with the dental implant surgery.
牙医检查了X光片，以评估患者颌骨的状况，然后进行牙种植手术。
- She placed her hand on her swollen jawbone, feeling the tenderness caused by the infected tooth.
她把手放在肿胀的下颌骨上，感受着那颗感染牙齿带来的压痛。
- The forensic anthropologist studied the shape and size of the jawbone to determine the individual's age and gender.
法医人类学家研究了颌骨的形状和大小以确定个体的年龄和性别。
- The chewing motion of the jawbone allows for the grinding and breaking down of food during digestion.
颚骨的咀嚼运动允许在消化过程中研磨和分解食物。