名词
中文翻译：冰河时期
同义词：
['Yukonite', 'Yukatanite例句：1. The yukonite is a rare mineral that can be found in the Arctic.（尤卡坦石是一种稀有矿物，可以在北极地区找到。）']
例句：
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1. The yukonite is a rare mineral that can be found in the Arctic.
尤卡坦石是一种稀有矿物，可以在北极地区找到。
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2. The yukonite has been used for thousands of years as a tool and weapon.
尤卡坦石被用作工具和武器已有数千年的历史。
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3. The yukonite is also known for its beautiful blue color and hardness.
尤卡坦石因其美丽的蓝色和硬度而闻名。