offshore barrier

• 滨外堡坝,滨外滩,滨外沙障

offshore barrier的用法和样例：

例句

1. Other islands that rise from offshore bars within a bay, or that from spits, commonly show the same shoreline characteristics.
   海湾内由滨外沙坝形成的其它岛屿或沙嘴，通常显示同样的岸线特点。