cretaceous信息详情
n.白垩纪；白垩系
adj.白垩纪的；似白垩的
Cretaceous───adj.白垩纪的；似白垩的；n.白垩纪；白垩系
cetaceous───adj.鲸类的；鲸鱼的
cretaceously───叽叽喳喳地
crustaceous───adj.外壳的；硬皮的
arenaceous───adj.沙质的；（动植物）生活于沙中的
cactaceous───adj.仙人掌科的
cepaceous───adj.具洋葱味的
ceraceous───adj.蜡质的；蜡状的
cistaceous───adj.半日花科的
These animals were not as sensitive to climate changes in the Cretaceous period as they are today.───这些动物在白垩纪对气候变化不像今天这样敏感。
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。
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。
Fifty-seven feet long and up to nine tons, Spinosaurus started poking his head around the early Cretaceous some 100 million years ago.───五十七英尺长、重达九吨的棘龙在早期白垩纪，大约1亿年前便行走于这个星球之上。
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。
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。
During the Upper Cretaceous much of the area was covered by these sediments, they were, however, eroded to a considerable degree.───晚白垩世期间，大片区域都是被这些沉积物所覆盖，但是它们很大程度上都被侵蚀了。
By making synthetic seismic record of well data, a fine horizon calibration for the strata of Cretaceous and Jurassic are made.───利用井资料制作合成地震记录，对白垩系、侏罗系各组地层进行了精细标定；
Modern geology studies have shown that Hill is a world with a sense of typical Cretaceous rhyolitic ancient volcano - caldera.───现代地质学研究表明，雁荡山是一座具有世界意义的典型的白垩纪流纹质古火山——破火山。
Because of Yizheng orogeny in Late Cretaceous, braided delta system of Anfeng was formed by rifting in Subei Basin and rising of sedimentary base level.
The last dicynodont: An Australian Cretaceous relict.
The Cretaceous period in geology did not appear at a given stage in the development of the changes.
In other areas gas generation occurred during Cretaceous/Tertiary burial.
Their fossils are commonest in Triassic, Jurassic and Cretaceous rocks.
Throughout the last third of the Cretaceous the dinosaurs slowly declined in diversity and numbers.
Anomalous ammonites: the Cretaceous genus Nipponites.
He says that dinosaur specimens from late Cretaceous rocks reveal low predator/prey ratios of from 3 to 5 percent.
The occurrence of fuller's earth in Cretaceous strata from Wiltshire to Yorkshire has been studied.