amphibian gear

例句：

1. 1. The amphibians are the first animals to have developed lungs.
   两栖动物是第一批发展出肺的动物。
2. 2.The amphibians are known for their ability to survive in water and land.
   两栖动物以其在水和陆地上的生存能力而闻名。
3. 3. The amphibians play a crucial role in maintaining the balance of ecosystems.
   两栖动物在维持生态系统平衡中起着至关重要的作用。