夏说英语新闻晨读 第484期:厄尔尼诺现象再现（在线收听）

 本期内容：

The World Meteorological Organization says there's a 75-80% chance of a weak El Nino forming within three months. The naturally occurring event causes changes in the temperature of the Pacific Ocean and has a major influence on weather patterns around the world. It is linked to floods in South America and droughts in Africa and Asia. El Nino events often lead to record temperatures as heat rises from the Pacific.

meteorological ：adj. 气候的
occur ：vi. 发生
the Pacific Ocean : 太平洋
pattern ：n. 形式
drought：n. 干旱