la Niña
noun [ S ] uk/lɑː ˈniːn.jə/ us/lɑː ˈniːn.jə/
拉尼娜现象（太平洋东部和中部海水变冷的现象，每隔几年发生，对很多地区气候产生影响）
the cooling of the water in the central and eastern Pacific Ocean that happens every few years and that affects the weather in many places
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