海草 refers to marine plants that grow in shallow ocean waters, primarily in coastal areas. These plants, which include species like seagrasses, play a crucial role in marine ecosystems by providing habitat and food for various marine animals. They also help stabilize the seabed and improve water quality by absorbing nutrients. In addition to their ecological importance, 海草 is also utilized in various human activities. It is harvested for use in food products, cosmetics, and even as a natural fertilizer. The cultivation and conservation of 海草 are essential for maintaining healthy ocean environments.