虽然有新建堤坝的保护，但是整个(90米)海滩遭到侵蚀，成了离岸的沙堤，后来部分还原为小海滩。
Though the new structure held, the entire 300-ft. (90 m) beach eroded and became an offshore sandbar, later partially returning as a small beach.
其中最明显的莫过于修建一条长长的沙堤来防止石油进入路易斯安纳的湿地和海滩。
Nowhere is this more evident than in the proposal to begin building a long sand berm to prevent oil from reaching wetlands and beaches in Louisiana.
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