In the north the ground becomes very cold as the winter snow and ice covers the ground.

在北方地面变得很冷，因为冬天的冰雪覆盖着地面。

《柯林斯英汉双解大词典》

Most of the Arctic is covered in snow and ice, which are highly reflective; if snow and ice melt, the exposed soil, which absorbs heat, serves to accelerate warming.

北极大部分地区被冰雪覆盖，具有很强的反射性；如果冰雪融化，裸露的土壤吸收热量，有助于加速变暖。

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When they detect snow or ice on their surfaces, the roads will heat themselves up, melting the snow or ice away.

当道路检测到路面上有雪或冰时，就会自动升温，融化雪或冰。

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Still,the National Snow and Ice Data Center says the most recent September measurement was the third lowest since nineteen seventy-nine.

VOA: special.2009.10.27

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

They could see the snow-covered mountains and huge amounts of blue ice.

VOA: special.2009.12.23

For example, the bright snow- and ice-covered landscapes of Canada and Siberia during winter reflect most solar radiation straight back into space, keeping the surface cold.

BBC: Earthshine map helps predict weather

Many streets are still snow- and ice-laden.

WHITEHOUSE: Press Briefing

He recommends using kitty litter and a small shovel to get traction on snow and ice--not your buddy pushing the vehicle from behind.

FORBES: Magazine Article