umbo'ʌmbәu英式朗读美式朗读基本解释n. 盾心的浮雕装饰, 壳顶, 鼓膜凸 [医] 突, 圆头英文释义n. a slight rounded elevation where the malleus attaches to the eardrum上一个单词:umbles下一个单词:umbonal