hard palate
柯林斯詞典
1. N the anterior bony portion of the roof of the mouth, extending backwards to the soft palate 硬腭
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hard palate
劍橋詞典
- the hard part that forms the top of the mouth , behind the front teeth
硬顎（位于嘴的頂端，前排牙齒后面的堅硬部分）
比較
soft palate 返回 hard palate