1. The skull is cetacean-like but its jawbones lack the enlarged space that is filled with fat or oil and used for receiving underwater sound in modern whales. 它的头骨与鲸类相似，但它的下颚骨没有现代鲸鱼用来接收水下声音的、充满脂肪或油脂的扩充空间。
2. The team used bone cells taken from the couples' jawbones. 该研究小组利用取自夫妻的颌骨细胞。
3. Notice how the original jawbones interlock to form sturdy walls. 请注意下颚骨是如何联锁而形成坚墙的。
4. Collectors pay thousands of dollars for the jawbones of a shark. 收藏者支付数千美元为了鲨鱼下额骨。
5. But few clinical reports can be found due to the affection of DM on tooth and jawbones. 但是由于糖尿病对牙齿、颌骨的影响，关于糖尿病患者的正畸治疗的临床相关报道甚少。
