他跌倒时,前颚撞在了道路的边石上.He hit his forehead against kerb when he fell.而且他的面孔光润, 颚骨下陷.And then his face was smooth , with a receding jaw.牙痛使我整个颚都痛起来了.A too thacke racked my jaw....

“下颚膜”的英语可以翻译为：maxacoria ...

“下颚片”的英语可以翻译为：maxillaria，maxillary pleurite，maxillifer （昆虫） ...

“下颚桥”的英语可以翻译为：maxaponta ...

“下颚窝”的英语可以翻译为：maxacava ...

软颚的下降则是颚舌肌与颚咽肌的作用.The soft palate is depressed by means of the palatoglossus and palatopharyngeus.科学家已经可以使用 高速 摄影技术来计算颚的惊人速度.Scientists were able to measure the amazing jaw speed using high - speed video techniques....