upper jaw
US /ˈʌpər dʒɔː/
UK /ˈʌpə dʒɔː/
名词
上颌
the upper part of the mouth, containing the upper teeth and palate
示例:
•
The dentist examined his patient's upper jaw.
牙医检查了他病人的上颌。
•
He suffered a fracture in his upper jaw after the accident.
事故后，他的上颌骨折了。