海星

例句：

1. 1. The starfish is a common marine creature found in the ocean.
   海星是一种常见的海洋生物，在海洋中可以找到。
2. 2. Starfish are known for their unique ability to change color.
   海星因其独特的变色能力而闻名。
3. 3. The starfish has been used as a symbol of friendship and unity.
   海星被用作友谊和团结的象征。