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Lower Carboniferous的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects
Lower Carboniferous的用法和样例：
例句
- Yamansu Formation of the Lower Carboniferous comprises the main ore-bearing formation in the Xiaoshitouquan ore district.
摘要小石头泉矿区主含矿层为下石炭统雅满苏组第二亚组，火山穹隆及伴生断裂为主要的控矿构造。
