拱璧

1.
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 ...
www.hxen.com|Based on 13 pages
2.
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] ...
baike.baidu.com|Based on 9 pages

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