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Ordovician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 500 million to 425 million years ago; conodonts and ostracods and algae and seaweeds
Ordovician的用法和样例：
例句
用作名词 (n.)
- This was the result from the large-scale regression in the Late Ordovician.
这是奥陶纪晚期大规模海退的结果。 - Major hydrocarbon source rocks are in the Cambrian and Ordovician.
寒武-奥陶系烃源岩是该区主力烃源岩;
词汇搭配
- Lower Ordovician 早奥陶世
- Ordovician period 奥陶纪
- Upper Ordovician 晚奥陶世
- the Ordovician 奥陶纪
