Langerhans' islet

例句：

1. 1. The Langerhans' islet is a popular tourist destination.
   朗格汉斯岛是一个受欢迎的旅游目的地。
2. 2.The Langerhans' islet is home to many rare species of fish.
   朗格汉斯岛是许多稀有鱼类的家园。
3. 3. The Langerhans' islet is a protected area due to its unique ecosystem.
   朗格汉斯岛因其独特的生态系统而成为一个受保护的区域。