词族 · Devonian
词形变化
英语词源
- Devonian (adj.)
- 1837, as a geological era, from the English county of Devon, where the Old Red Sandstone formations of that age are prominent, + -ian.
权威例句
- 1. 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。
- 2. 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.
- 3. 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?
- 4. Mineral, palaeontology, middle devonian, permian to early jurassic, and cretaceous.
- 收藏矿物 、 古生物学 、 中泥盆纪 、 二叠纪到早期的侏罗纪和白恶纪.
- 5. The sedimentary basin of Devonian in Southern Guizhou , South China is euxinic.
- 黔南泥盆纪沉积盆地是一个停滞缺氧盆地.