When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice,called sleet.

VOA: special.2010.01.05

And it's dangerous. People slip and fall on the snow because it's made of ice.

这样也很危险，人们会在雪上滑倒，因为雪里面都是冰。

I'm glad 实战 - SpeakingMax英语口语达人

When melting snow-crystals or raindrops fall through very cold air, they freeze to form small particles of ice, called sleet.

VOA: special.2011.01.11

The 39-year-old's family said he tried to stop his fall using an ice axe.

BBC: Shaun Bowden

The weather turned out to be horrible and the route menaced by rock and ice fall.

WSJ: Banff Mountain Festival | A Nature for the Great Outdoors | By Michael J. Ybarra

The moveable dams are raised in the fall to allow ice and debris to pass during winter and early spring.

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