cyclones
n. [气象]旋风；[化工]旋风分离器（cyclone 的复数）
例句
The area is also prone to cyclones.
而该地区也容易受到龙卷风的影响。
Nearly half of all tropical cyclones occur in September.
几乎一半的飓风都发生在9月。
The trend is there is terms of floods, and cyclones, and droughts.
这个趋势主要表现是洪水，龙卷风和旱灾。
