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|基于13个网页 |
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|基于9个网页 |
