acrochordon

例句：

1. 1. The acrochordon is a rare and valuable species of fish.
   这种鱼是稀有且珍贵的鱼类。
2. 2. The acrochordon has been extinct for over 500 years.
   这种鱼已经绝迹超过500年。
3. 3. The acrochordon was once abundant in the oceans, but now it is endangered.
   这种鱼曾经在海洋中大量存在，但现在它处于濒危状态。