至于气温突降的原因，最具代表性的观点认为是由于天体冲撞或大规模火山喷发激起的火山灰和尘土。
As to what caused these cold snaps, the ever-popular suspects are ash and dust kicked up by either astronomical impacts or massive volcanism.
欧洲东部突降暴雪、气温骤降，造成乌克兰至少18人、波兰至少10人死亡。
At least 18 people have died in Ukraine and 10 in Poland after heavy snow fall and a sudden drop in temperatures across east Europe.
应用推荐