许多化石猿只发现了颚骨与牙齿，牠们的身体姿势、进模式、量、重，我们一无所知。
Many fossil apes are represented only by jaws and teeth, leaving us with little or no idea about their posture and locomotion, brain size or body mass.
定期对马的牙齿进行检查对马的健康是十分重要的。
Routine equine dental care is essential to your horse's health.
外科医生成功地把别人捐献的脸重植在他的脸上，其中包括肌肉、下巴、鼻子、脸颊骨、牙齿和眼皮。
Surgeons lifted the donor's face and attached the entire face to Oscar's, complete with muscles, jaw, nose, cheek bones, teeth and eyelids.
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