El Ni?o is a transliteration of Spain. This is the name used by Peruvian fishermen on the Pacific coast of South America to seasonally increase the temperature of seawater at the end of each year. Because this climatic phenomenon often occurs around Christmas, the name is obtained, but scientists currently That is to say: only those years where the temperature has risen sharply can be called El Ni?o, because only the sea temperature rises sharply can cause huge ecological changes and cause a series of disasters around the world. Based on the above materials' understanding of El Ni?o, what is wrong? ['Climate phenomena that can cause a series of disasters worldwide.', 'Severe warming of seawater is one of the causes of a global disaster.', 'This phenomenon will cause ecological changes.', 'This phenomenon occurs every year.']