问题描述：
英语翻译
With a span of 20 meters like one of the inferior arches of the lower level of the ancient bridge that is classified as a World.Heritage site by Unesco（应该全是大写的联合国教科文组织）,added the architect.哪位大虾帮我看看啊,大概给我讲下就是了,
With a span of 20 meters like one of the inferior arches of the lower level of the ancient bridge that is classified as a World.Heritage site by Unesco（应该全是大写的联合国教科文组织）,added the architect.哪位大虾帮我看看啊,大概给我讲下就是了,
问题解答：
我来补答展开全文阅读