Second, and more importantly, it causes a thin and very active layer of algae, plankton, bacteria, and other forms of life to develop on the surface of the sandbed.

• 其次，最重要的是，它形成了一个很薄并且很活跃的层，这个层是由藻类、浮游生物、细菌以及其他能够在沙子表面繁衍的生命形式。