柯林斯詞典hard palate 1. N the anterior bony portion of the roof of the mouth, extending backwards to the soft palate 硬腭 返回 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