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 adjusted the tympans carefully to ensure an even, clear impression on each poster. " 印刷工小心地调整了垫纸,以确保每张海报都能获得均匀、清晰的印痕。 material technology machine writing industry 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 鼓膜,耳膜 The stretched membrane of a drum. Examples : "The drummer carefully tightened the tympans of his drums to achieve the desired pitch. " 鼓手小心地收紧他鼓的鼓面,以达到想要的音调。 part music sound 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 marching band featured a loud and exciting percussion section, with the tympans providing a deep, resonant boom to the music. " 游行乐队的打击乐部分非常响亮且激动人心,其中的定音鼓为音乐提供了深沉而洪亮的轰鸣声。 music utensil 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 鼓膜,中耳。 A tympanum. Examples : "Context: Describing an architectural feature of a building. Sentence: The triangular tympans above the library's entrance doors were decorated with intricate carvings of mythical creatures. " 图书馆入口上方门楣的三角形墙面(类似鼓膜形状),装饰着精美的神话生物雕刻。 anatomy organ body physiology part 与AI对话词汇游戏阅读练习