柯林斯詞典soft palate 1. N the posterior fleshy portion of the roof of the mouth. It forms a movable muscular flap that seals off the nasopharynx during swallowing and speech 軟腭 返回 soft palate劍橋詞典the soft piece of muscle and tissue that forms the top of the mouth at the back, separating the passages behind the nose from the throat 軟腭（肌肉和組織構(gòu)成的軟片，形成口腔后面的頂部，將鼻子后的氣道與咽喉分開） 比較hard palate 返回 soft palate