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单词 biostrome
释义
bi·o·strome (bīō-strōm)
n.
A stratified rock deposit, such as coal or carbonate, formed from the remains of sedentary organisms such as trees or corals, crinoids, and brachiopods.

[BIO— + Greek strōma, bed, mattress; see ster-2 in the Appendix of Indo-European roots.]
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更新时间:2025/2/23 15:40:38