adult barnacle

例句：

1. 1. The adult barnacle is a fascinating creature that can live for decades.
   成年海胆是一种令人着迷的生物，可以活上几十年。
2. 2.The barnacle shells are often used as decorative items in coastal homes.
   海胆壳常常被用作沿海住宅的装饰品。
3. 3. The barnacle's ability to attach itself to rocks and other surfaces is a testament to its resilience.
   海胆能够附着在岩石和其他表面上的能力证明了它的韧性。