名词
中文翻译：洞穴冰
同义词：
['caves', 'cavern', 'ice cave']
例句：
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1.The explorers found a cave ice formation that was unlike anything they had seen before.
探险者们发现了一个与他们之前所见的任何冰洞都不同的洞穴冰。
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2. The cave ice is so thick that it blocks the passage completely.
洞穴冰太厚了，完全堵住了通道。
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3.The cave ice has been formed over millions of years through natural processes.
洞穴冰是通过数百万年的自然过程形成的。