El Niño
/elˈniːnjəʊ/noun
(pl. -os)
- an irregularly occurring and complex series of climatic changes affecting the equatorial Pacific region and beyond every few years, characterized by the appearance of unusually warm, nutrient-poor water off northern Peru and Ecuador, typically in late December“厄尔尼诺”现象（出现时间不规律的一系列复杂的气候变化, 每隔几年影响赤道太平洋及更大范围地区, 通常以12月下旬在秘鲁和厄瓜多尔北部沿海出现贫营养的暖流为特点）。
词源
Spanish, literally 'the (Christ) child', because of the occurrence near Christmas.