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在年代久远的喷发物地层中有迹象表明此处的岩石产生于一次撞击。
These are also the telltales in distant layers of ejecta that the rock in question has come from an impact.
youdao
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在年代久远的喷发物地层中有迹象表明此处的岩石产生于一次撞击。
These are also the telltales in distant layers of ejecta that the rock in question has come from an impact.
youdao