名词
中文翻译：冰层
同义词：
['frozen layer', 'icepack', 'ice block']
例句：
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1. The ice set is meltingslowly due to the warm weather.
由于天气变暖，冰层正在缓慢融化。
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2. Theice set was used as a barrier betweenthe two ships.
冰层被用作两艘船之间的屏障。
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3. The ice set was so thickthat it could not be broken by anytool.
冰层太厚了，任何工具都无法将其打破。