oysterage

例句：

1. 1.The oysters were washed up on the beach, creating a beautiful oyster mound.
   牡蛎被冲上了海滩，形成了一个美丽的牡蛎堆。
2. 2.The oyster mound was used as a natural barrier to protect the shoreline from erosion.
   牡蛎堆用作自然屏障，保护海岸线免受侵蚀。
3. 3.The oyster mound was a popular spot for tourists who wanted to see the local marine life.
   牡蛎堆是游客们喜欢的地方，他们可以在这里看到当地的海洋生物。