noun🔗Share纸衬，垫纸。 A piece of cloth padding placed under the platen of a letterpress to distribute the pressure on the sheet being printed."The printer carefully adjusted the tympan on the letterpress to ensure an even and crisp impression on each wedding invitation. "印刷工小心地调整了活字印刷机上的纸衬 (zhǐ chèn), 以确保每张婚礼请柬都能印出均匀清晰的效果。materialarttechnologymachinewritingindustryChat with AIVocabulary GamePractice Reading
noun🔗Share鼓膜 The stretched membrane of a drum."The drummer carefully tightened the tympan of his snare drum to achieve the desired crisp sound. "鼓手小心地收紧了他小军鼓的鼓膜，以获得理想的清脆音色。musicsoundpartbodyphysiologyanatomyChat with AIVocabulary GamePractice Reading
noun🔗Share定音鼓，鼓。 A percussion instrument consisting of a hollow cylinder with such a membrane at each end."The children excitedly banged on the tympan during their music class, creating a loud, echoing boom. "孩子们在音乐课上兴奋地敲打着定音鼓，发出响亮而回荡的轰鸣声。musicutensilChat with AIVocabulary GamePractice Reading
noun🔗Share鼓室, 中耳。 A tympanum."The printing press operator carefully placed the paper onto the tympan before closing the frame. "印刷机操作员小心地把纸放在鼓室夹纸框上，然后才合上框架。anatomyorganbodyChat with AIVocabulary GamePractice Reading
