AZUZ : Ten-second trivia: The malleus, incus and tympanum are all parts of what?

十小知识：锤骨，锤骨、砧骨和耳膜都是什么一部分?

" Mr. Harney, is she? She'd better dish up, then. He ain't coming" . He stood up, walked to the door, and called out, in the pitch necessary to penetrate the old woman's tympanum: " Get along with the supper, Verena" .

“哈先生，是吗？那么她最好上菜了。他不会来了”。他站起来，走，用能穿透老太婆鼓膜声音喊道：“晚饭快点，韦雷娜。”