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汉语拼音：lā ní nà xiàn xiàng

拉尼娜现象就是太平洋中东部海水异常变冷的情况。东南信风将表面被太阳晒热的海水吹向太平洋西部，致使西部比东部海平面增高将近60厘米，西部海水温度增高，气压下降，潮湿空气积累形成台风和热带风暴，东部底层海水上翻，致使东太平洋海水变冷。

• CPC is an office under the National Oceanic and Atmospheric Administration (NOAA). The body said La Nina will last into spring of this year.

  CPC是国家海洋和大气管理局下属的一个办公室。这个机构说拉尼娜将持续到今年春天。

• The phenomenon has also been blamed by weather officials for flooding in Australia, one of the largest commodity exporters to China.

  气象官员称，拉尼娜现象还造成澳大利亚的洪灾。澳大利亚是中国最大的大宗商品进口来源之一。

• This periodic warming of Pacific Ocean waters occurs every three to five years - alternating with cooling periods known as La Nina.

  定期变暖这样的太平洋水域发生每隔三至五年-冷却期间被称为拉尼娜交替。

• Extreme ENSO events cause droughts, forest fires and floods across much of the world as well as affecting fishery production.

  厄尔尼诺和拉尼娜引发全球各地出现乾旱丶森林大火丶水灾，对全球渔业造成严重冲击。

• Such an observation by NASA indicates that El Nino is ending, while its relative La Nina of lower temperature is beginning.

  美国航空航天局的这一观测表明，厄尔尼诺正在结束，其温度较低的亲戚拉尼娜正在开始。

• Scientists believe La Nina spurs hurricane formation in the Atlantic basin by hindering wind shear that breaks up storms as they form.

  科学家相信拉尼娜通过阻碍了瓦解风暴形成的风切变，而刺激了大西洋流域飓风的形成。

• He blames much of the extreme heat in the eastern U. S. this year to a weather cycle called La Nina.

  他认为今年美国东部的酷热天气主要是因为拉尼娜天气循环现象的出现。

• La Nina and its opposite El Nino ocean-atmosphere phenomenon have strong influences on global temperatures.

  拉尼娜现象和与其相反厄尔尼诺现象对全球温度影响巨大。

• The event is called La Ni? a, which means "little girl" in Spanish.

  这种现象被称为拉尼娜，在西班牙语中的意思是“小女孩（或圣女婴）”。