Physarum

例句：

1. 1. The Physarum was a beautiful creature that lived in the ocean.
   水螅是一种美丽的海洋生物。
2. 2.The Physarum had eight arms and could move them independently.
   水螅有八条手臂，可以独立移动。
3. 3.The Physarum is a fascinating organism that has been studied for centuries.
   水螅是一种令人着迷的生物，已经被研究了几个世纪。