颚骨

例句：

1. 1. The dentist examined the patient's jawbone for signs of decay.
   牙医检查了病人的下颌骨，以查看是否有蛀牙的迹象。
2. 2. Thescientist discovered a new species of bird witha unique beak shape.
   科学家发现了一种具有独特喙形的新鸟类物种。
3. 3. Theartist painted a portrait of the patient's jawbone to capture its unique features.
   艺术家绘制了一幅患者的下颌骨肖像，以捕捉其独特的特征。