oral cavity
US /ˈɔːrəl ˈkævɪti/
UK /ˈɔːrəl ˈkævɪti/
1.
口腔
the part of the mouth behind the gums and teeth that is bounded above by the hard and soft palates and below by the tongue and by the mucous membrane connecting it to the inner part of the mandible
:
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The dentist examined the patient's oral cavity for any signs of decay.
牙医检查了患者的口腔是否有任何蛀牙迹象。
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Proper hygiene of the oral cavity is essential for preventing gum disease.
保持口腔卫生对于预防牙龈疾病至关重要。