berme

例句：

1. 1. The oyster is a type of berme that grows in the ocean.
   牡蛎是一种生长在海洋中的贝类。
2. 2. The oyster has a beautiful shell, which is made up of layers of berme.
   牡蛎有一个美丽的壳，是由层层的贝类组成的。
3. 3. The oyster is an important food source for many people, as it contains high levels of protein and minerals.
   牡蛎是许多人的重要食物来源，因为它含有丰富的蛋白质和矿物质。