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；

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。

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