“smothered bottom”的概念、定义、翻译、参考文献-科学参考

单词	smothered bottom
释义	smothered bottom [`smǝth·ǝrd `bäd·ǝm] ^GEOLOGY A sedimentary surface on which complete, well- preserved, and commonly very fragile and delicate fossils were saved by an influx of mud that buried them instantly.
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