名词
中文翻译：变质晕圈
同义词：
['metamorphic halo', 'metamorphic ring', 'metamorphic envelope']
例句：
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1. The study of metamorphic rocks is crucial for understanding the geological history of the region.
研究变质岩对于理解该地区的地质历史至关重要。
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2. The metamorphic aureole around the volcano is a testament to its age and the forces that shaped it.
火山周围的变质晕圈是其年龄和塑造它的力的见证。
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3. The metamorphic aureole is a fascinating feature of the Earth's crust, revealing clues about its past andpresent.
变质晕圈是地球地壳的一个迷人特征，揭示了关于其过去和现在的信息。