maxilla

US /mækˈsɪl.ə/

UK /mækˈsɪl.ə/

上颌骨, 颌骨

the jaw or jawbone, in particular the upper jaw in most vertebrates.

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The dentist examined the patient's maxilla for any signs of decay.

牙医检查了患者的上颌骨是否有任何腐烂迹象。

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Insects have a pair of maxillae that help them chew food.

昆虫有一对上颌骨，帮助它们咀嚼食物。