Your jawbone is the hardest bone in your body. 你的下頜骨是身體里最堅硬的骨頭。
Her schedule includes a speech therapist because the nerves on the right side of her face, as well as her jaw bone and lips, were damaged. 她的日程安排中包括拜訪(fǎng)一名語(yǔ)言治療專(zhuān)家,因為除了下頜骨和嘴唇之外,她面部右側的神經(jīng)也受到了損壞。