noun 下载 🔗分享 精装书的衬页，书皮里。 An elaborately decorated leather flyleaf in a book. Examples : "The antique book had beautiful doublures, depicting scenes of a 19th-century Parisian street. " 这本古董书的书皮里（衬页）非常精美，上面描绘着19世纪巴黎街头的景象。 art material style literature 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 内缘，内褶缘 The reflexed margin of a trilobite carapace. Examples : "In this detailed illustration of a trilobite fossil, the artist carefully highlighted the doublures, the distinctive inward-turned edges of its shell. " 在这张精细的三叶虫化石图中，艺术家仔细地突出了它的内缘，也就是其甲壳独特向内翻卷的边缘。 geology animal biology anatomy part 与AI对话词汇游戏阅读练习
