英语翻译1月中旬以来,中国南方大部分地区遭遇五十年不遇的低温、雨雪和冰冻天气,极端天气给交通运输、食品供应和移动通信等方

Since mid-January, the South China suffered 50 years in most parts of the case of non-low-temperature, snow and freezing weather, extreme weather for transportation, food supply and mobile communications have had a severe effect.
Since mid-January, south China the most districts have encountered the low temperature which, the sleet 50 years do not meet and freeze the weather, the violent weather for aspects and so on transportation, food supply and mobile communication has had the serious influence.
没有绝对的.2个都可以

Since mid-January, the South China suffered 50 years in most parts of the case of non-low-temperature, snow and freezing weather, extreme weather for transportation, food supply and mobile communications have had a severe effect.

Since the middle of January,most areas of the southern of China have suffered from low temperature,snow and freezing weather which may happen once every 50 years.What the extreme weather brings is causing a severe effect on transportation,food supply and mobile communication.

since the middle of january, the southern part of china suffered from the microtherm,heavy precipitation and freezing weather, and the extreme climate caused serious damages to traffic, food supply and Mobile Communication .

Since the middle of January,most parts of China Southen district have suffered low temperature,rain and snow and icy weather.The terrible weather has serious effect on tansportation,food supply,communication and so on.

Since the middle of the January,the most area of south China have suffered the low-temperature,snow and freezing weather which did not happen in the past 50 years.The extreme weather has badly influenced
the traffic transportation,food supply and Mobile Communication .