拉尼娜现象使飓风容易增强并持续长久。

And so they tend to get strong and last long during a la Nina situation.

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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。

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

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这一季节会很活跃，但究竟多么活跃则取决于拉尼娜现象（具有与厄尔尼诺现象相反的气候影响-译者注）

Season will be active, but how active depends on La Nina

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最近一次拉尼娜天气现象开始于什么时候？

When did the latest La Nina weather phenomenon begin ?

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最近一次拉尼娜天气现象开始于什么时候？

When did the latest La Nina weather phenomenon begin ?

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