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...
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。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.Blooming of Bacteria and Al...
墙面材料和地板都应该能耐热汽且防水。Wallcoverings and floors should be able to withstand steam and splashes.保罗把自己的拖拉机挂在汽车上,然后把它拉到了安全的地方。Paul hooked his tractor to the car and pulled it to safety.艾弗梦见他在一辆公共汽车上。Ivor dreamed that he was on a...