p 　　To save our great cities from catastrophic flooding, engineers are raising some of the biggest sea defenses in history Venice MOSE Wall, Delta Flume, Japan Tsunami Barrier, New Jersey Storm Defense br 　　为了救这些超等城市于灾害性的洪水当中 工程师在着手有史到今阵仗最大年夜的沿海防洪项目——威尼斯莫斯墙 代尔夫特三角洲引水槽 日本防海啸堤坝 新泽西州风暴防御 p