Prompt: Abstract diagram style for scientific journals, drawing a diagram of a lake with a small boat on the surface of the lake, the person on the boat splashes ceramic grains into the water, the ceramic grains gradually sink as the bottom of the lake, the ceramic grains are deposited on the bottom of the lake on top of the substrate, the bottom of the lake on the sediment grows a wealth of aquatic plants, the aquatic plants have a well-developed root system, and the microorganisms around the root system is very abundant Translated with www.DeepL.com/Translator (free version)