noun 下载 🔗分享 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. Examples : "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。 material art technology machine writing industry 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 鼓膜 The stretched membrane of a drum. Examples : "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。 music sound part body physiology anatomy 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 定音鼓，鼓。 A percussion instrument consisting of a hollow cylinder with such a membrane at each end. Examples : "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。 music utensil 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 鼓室, 中耳。 A tympanum. Examples : "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。 anatomy organ body 与AI对话词汇游戏阅读练习
