| 单词 | 拱顶石 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔capstone〕The top stone of a structure or wall.拱顶石，压顶石，顶层石：建筑物或墙的最上面一层石头美国传统〔key〕Architecture The keystone in the crown of an arch.【建筑学】 拱顶石：位于拱顶的塞缝石美国传统〔key〕Architecture To furnish (an arch) with a keystone.【建筑学】 用拱顶石装饰（拱顶）美国传统〔lagging〕A wooden frame built especially to support the sides of an arch until the keystone is positioned.支拱板条：专门用来在拱顶石放置好以前支撑拱的两边木架子美国传统〔meander〕The Greek fret or key pattern, used in art and architecture.桥，柱：希腊的回纹装饰和拱顶石装饰，用于艺术和建筑美国传统〔quoin〕A keystone.拱顶石美国传统The keystone of the entrance arch is decorated with the date it was built.入口拱门的拱顶石上装饰着建造的日期。剑桥国际 |
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