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英英词典释义

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devonian是什么意思？

devonian

英[deˈvəuniən] 美[dɪˈvoniən]

adj. 德文郡的，（地质）泥盆纪（古代生物的一个时期）的；
n. 德文郡，泥盆纪；

相关单词 devonian period

例句

The Ellsworth basin lay between the epicontinental basin and the marginal magmatic arc during the Devonian. 除了上述两个沉积盆地外,在罗斯海两边却出露了火山岩,说明该地当时处于俯冲带附近的火山弧中.
Blooming of Bacteria and Algae: Possible Killer of Devonian Frasnian - Famennian Mass Extinction? 菌藻类繁盛: 晚泥盆世大灭绝的疑凶?
The contact relationship between Silurian and Devonian is parallel unconformity. 泥盆系与志留系之间为平行不整合接触.
Near the end of Devonian times, thirty percent of all animal life vanished. 在泥盆纪末期，30％的动物物种都灭绝了。
Near the end of Devonian times, thirty percent of all animal life vanished... 在泥盆纪末期，30％的动物物种都灭绝了。

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英英词典释义

Noun
1. from 405 million to 345 million years ago; dominance of fishes and appearance of amphibians and ammonites

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