意思翻译
白垩纪-古近纪
相关相似cretaceously───清白地
the Paleogene───古近纪
cretaceous───adj.白垩纪的；似白垩的；n.白垩纪；白垩系
herbaceous planting───[植]草本植物
sebaceous gland───n.皮脂腺
the Palaeogene───古近纪
the Paleocene───古新世
双语场合用语It says lice are old, predate the Cretaceous-Paleogene boundary, and must have been living on something.───它说明了虱子的历史非常久，在白垩纪-早第三纪过渡期之前，而且也肯定是寄生在某种生物上的。
The mass extinction of terrestrial dinosaurs is the most important evolutionary event across the Cretaceous-Paleogene boundary.───陆生恐龙的绝灭是白垩系-古近系界线事件中最引人注目的。
Detailed geochronological study shows the mainly eruption ages of these volcanic rocks are Late Cretaceous- Paleogene.───年代学研究表明，乍得西南部盆地内火山岩的主体喷发时代为晚白垩世-古近纪。
Affecting factors of Cretaceous-Paleogene shale cap in Jianghan Plain───江汉平原白垩-下第三系泥岩盖层影响因素
英语场合用语延伸推荐- cretaceous paleogene
- cretaceous formation
- cretaceous period
