They break down pollutants, turning them into inorganic substances, which flow out with the tide to become food for algae, which become food for fish, which in turn end up on our dinner tables.
他們將汙染物質分解、轉化為無機物，再隨著潮水回到大海供藻類食用，進而餵養魚類，人們遂能享用豐富的漁業資源。