cold-core cyclone

例句：

1. 1. The cold-core cyclone was responsible for the severe weather conditions in the area.
   冷核气旋导致了该地区严重的天气条件。
2. 2. The cold-core cyclone brought heavy snowfall to many parts of the country.
   冷核气旋给该国的许多地区带来了大雪。
3. 3.Researchers have been studying the effects of cold-core cyclones on the environment.
   研究人员一直在研究冷核气旋对环境的影响。