搜索结果: 1-1 共查到“河口、海岸学 beachfront areas”相关记录1条 . 查询时间(0.182 秒)
For nearly a century, the O'Shaughnessy seawall has held back the sand and seas of San Francisco's Ocean Beach. At work even longer: the Galveston seawall, built after America's deadliest hurricane ki...