And their roots broke down rocks,   releasing new minerals into bodies of water.

它们的根分解岩石，将新的矿物质释放到水体中。

And this cover doesn't just sit there; it interacts with rocks, wearing them down over time and releasing minerals, like phosphorus, potassium, and iron.

而且这个封面不只是坐在那里；它与岩石相互作用， 随着时间的推移磨损它们并释放矿物质，如磷、钾和铁。