名词
中文翻译：Unknown
同义词：
['nested volcano', 'nested caldera', 'nested crater']
例句：
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1. The scientists found a nested crater in the area that could have been formed by an ancient volcanic eruption.
科学家们在该地区发现了一个嵌套的火山口，可能是由古代火山喷发形成的。
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2. The archaeologists discovered a nested crater filled with ancient ruins and relics.
考古学家发现了一个嵌套的火山口，里面充满了古老的遗迹和文物。
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3. The geologists were puzzled by the discovery of a nested crater in the middle of the desert.
地质学家对沙漠中间发现的一个嵌套火山口感到困惑不解。