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Saturn's rings are made of ice and dust.

土星环是由冰和尘埃构成。

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Any school kid can tell you that comets are made of ice.

随便找个小学生都会告诉你，彗星是由冰组成的。

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It made the ice thin. If he stepped there, he might break through the ice into a pool of water.

VOA: special.2010.05.01

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

Ever wondered what the Forbidden City or the Great Wall would look like if they were made of ice?

BBC: Chill out in China: Harbin��s Ice and Snow Festival

With 102 holes drilled so far, hundreds of measurements have been made of ice thickness and snow cover over the 243km covered to date.

BBC: Arctic team: 'London, we have a problem'

One-hundred-and-two holes have been dug so far and 1, 100 measurements have been made of ice thickness, snow density and other features - data deemed vital by scientists evaluating the future of the Arctic sea-ice.

BBC: Arctic team gives up on ice radar