短语
中文翻译：像磨石一样坚硬
同义词：
['像磨石一样硬例句：1. The rock was so hard that it could not be carved by any tool.（这块石头太硬了，任何工具都无法雕刻。）2. The mountain was as hard as the nether mill stone', 'making climbing it a challenge.（这座山就像磨石一样坚硬，攀登它是一项挑战。）']
例句：
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1. The rock was so hard that it could not be carved by any tool.
这块石头太硬了，任何工具都无法雕刻。
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2. The mountain was as hard as the nether mill stone, making climbing it a challenge.
这座山就像磨石一样坚硬，攀登它是一项挑战。
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3.The material is as hard as the nether mill stone, resistant to wear and tear.
这种材料就像磨石一样坚硬，耐磨。