Groups of frozen water droplets are called snow pellets. Under some conditions, these particles may grow larger and form solid pieces of ice, or hail.

一群冰冻的水滴被称为雪雹。在一些条件下，这些粒子可能变大，形成实心的冰粒，或者冰雹。

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Groups of frozen water droplets are called snow pellets.

VOA: special.2010.01.05

Groups of frozen water-droplets are called snow pellets.

VOA: special.2011.01.11