marine fauna

例句：

1. 1.The coral reefs are home to a diverse range of marine fauna.
   珊瑚礁是各种海洋生物的家园。
2. 2. Marine fauna plays an important role in maintaining the balance of the ecosystem.
   海洋生物在维持生态系统平衡中起着重要作用。
3. 3. The discovery of new species has led to a greater understanding of the marine fauna.
   新物种的发现有助于我们更好地了解海洋生物。