When referring to marine pollution emissions to the ocean of human waste or dirt, so that water quality is deteriorating, and make life in the ocean of biological damage, but also harm people's activities at sea, endangering human health.
Ocean pollution means People threw watses or dirty things to the ocean,which makes the quality of the water lower and does harm to animals living in the sea,people's activities in the sea and human health at the same time.
mono默默
