水分子以雨、雪、雹和霰的形式从大气圈降落到地表。
From the atmosphere , water molecules fall upon the Earth 's surface as rain , snow , hail and sleet .
在冰雹形成过程中，作为雹胚的霰和冻滴主要通过撞冻过冷水增长。
In hail formation , growth of graupel and frozen drop as hail embryo is mainly by the accretion processes .
雹霰