El Niño
noun [ U ] uk/el ˈniːn.jəʊ/ us/el ˈniːn.joʊ/
厄尔尼诺（现象）
an unusual ocean current that happens along the western coast of South America every two to ten years, killing large numbers of sea creatures and causing noticeable and often severe changes in weather conditions in many areas of the world
the El Niño weather pattern/system/phenomenon 厄尔尼诺天气现象
Rains came late to the region because of El Niño. 因为厄尔尼诺现象的影响，这个地区的雨季推迟了。