大家都搜：
白垩纪
1、camp cretaceous───白垩纪营地
2、cretaceous extinction───白垩纪灭绝
3、cretaceous dinosaurs───白垩纪恐龙
4、cretaceous formation───白垩纪地层
5、cretaceous era───白垩纪
6、cretaceous period───白垩纪
7、cretaceous creature───白垩纪生物
8、cretaceous───n.白垩纪；白垩系；adj.白垩纪的；似白垩的
9、cretaceous paleogene───白垩纪-古近纪
1、The prints are believed to have been made during the Cretaceous period of the Mesozoic Era, Kim said in a statement.───这些足迹被认为是在中生代白垩纪时期由当时鸟类留下的。
2、And when you wonder how much longer the film can go on without showing dinosaurs, T-Rex finally relents and goes back to the Cretaceous.───当你在怀疑到底还有多久才能看到恐龙的时候，霸王龙突然出现并带你回到了白垩纪时代。
3、Changes in climate before the Cretaceous period caused severe fluctuation in sea level, resulting in the extinction of the dinosaurs.───白垩纪以前的气候变化导致了海平面的剧烈波动，引发了恐龙的灭绝。
4、A member of the Dromaeosauridae of dinosaurs, it was a bird-like theropod dinosaur, which flourished during the Cretaceous Period.───它属于驰龙科一员，是一种类似鸟类的兽脚亚目食肉恐龙，在白垩纪繁盛一时。
5、Scientists have linked the mass extinction at the end of the Cretaceous with a meteorite impact on Earth.───科学家将白垩纪末期的大灭绝与地球上的陨石撞击联系起来。
6、Scientists believe that during the Cretaceous period, a spate of volcanic activity caused plant life to bloom on the surface of the oceans.───科学家认为，在白垩纪，一连串的火山活动导致植物在海平面生长旺盛。
7、fish thought to have been extinct since the Cretaceous Period but found in 1938 off the coast of Africa.───被认为是白垩纪时期现以灭绝的鱼，直到1938年在远离非洲海岸发现。
8、This change in plankton found in marine deposits is what marks the boundary between the Cretaceous and the Tertiary.───海洋沉积物中浮游生物的这种变化标志着白垩纪和第三纪的分界线。
9、By the end of the Cretaceous, the continents we know were all in place.───在白垩纪末期，DaLu分离已基本固定，形成了我们今天所知道的样子。
1、From the Cretaceous, Tarim basin began the new evolutional stage of foreland basin.
2、Anomalous ammonites: the Cretaceous genus Nipponites.
3、Throughout the last third of the Cretaceous the dinosaurs slowly declined in diversity and numbers.
4、The Cretaceous period in geology did not appear at a given stage in the development of the changes.
5、The paper discusses the strata significance of the Cretaceous Ostracoda fossil distribution and the relationship between the flourish and decline of Ostracoda with Magnetostratigraphy.
6、The Cretaceous rhyolite - porphyry is the main parent rock Of the deposit , extending inNE - orientation.
7、The Cretaceous period ended 65 m years ago with the obliteration of the dinosaurs.
8、The upper structure layer is composed of the Cretaceous to the Quaternary, which shows a large slope dipping northwestward.
9、The prehistoric reptile lived in the Cretaceous period, about 125 million years ago.