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   English ⇄
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noun | adjective | noun
Siegenian n
gen. 下泥盆统西根阶
Siegenian adj.
geol. D1西根阶
siegenian adj.
tech. 西根阶【地】 (stage)
 English thesaurus
Siegenian n
geol. Sig (MichaelBurov)

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