拱璧
- 网络buttress; big,round jade with a hole in it
拱璧拱璧
buttress
GRE词汇精选（五）|GRE词汇 ... butt v. 用头抵撞，顶撞；粗大的一端；烟蒂 buttress n. 拱墙，拱璧 byline n. 报刊文章首行 ...
big,round jade with a hole in it
拱_百度百科 ... 拱坝[ arch dam] 拱璧[ big,round jade with a hole in it] 拱顶[ vault] ...