It is followed by a cooling period, known as La Nina.

在其过后迎来了一个降温过程，就是我们所知的拉尼娜现象。

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La Nina is essentially the opposite of an El nino.

拉尼娜本质上就是个相反的厄尔尼诺。

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A La Nina is essentially the opposite of an El nino.

拉尼娜本质上就是个相反的厄尔尼诺。

youdao

Real La Nina events have been linked with cooler than normal temperatures on the surface waters of the Pacific Ocean.

VOA: special.2009.09.29

About two years after a solar maximum, the Pacific experiences conditions similar to El Nino the opposite of La Nina.

VOA: special.2009.09.29

However,the cooling of about one and one-half to three degrees Celsius is only about half as strong as a real La Nina.

VOA: special.2009.09.29

Weather experts are not sure exactly what causes La Nina, but there are many theories.

CNN: La Nina spawns extreme weather

However, many other La Nina events have not seen novel flu strains spread around the world, they caution.

BBC: La Nina 'linked' to flu pandemics

La Nina is the cold cousin of El Nino - the two collectively making up the El Nino Southern Oscillation (ENSO).

BBC: La Nina 'linked' to flu pandemics