the Cretaceous

白垩纪
常用释义
白垩纪

例句

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。

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。

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。

By the end of the Cretaceous, the continents we know were all in place.

在白垩纪末期,大陆分离已基本固定,形成了我们今天所知道的样子。

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。

The Cretaceous strata in the Kuche Basin in Xinjiang are marked by a set of arid red beds, which belongs to the lower series of Cretaceous.

新疆塔里木北部库车盆地的白垩系,只发育下白垩统,为一套干旱红层地层。

That date marks one of five recognised mass extinctions in history (the end of the Cretaceous was another).

第一个时间点也是史上5次著名的大规模物种灭绝事件之一(另一次发生在白垩纪末期)。

白垩纪的气候相当暖和,海平面的变化大。

不过在白垩纪期间,很多陆块已经位于现今所在的纬度附近了,有些甚至还在纬度更高之处;

Meanwhile, it looks like the Cretaceous version of shore birds were becoming relatively common, based on fossil findings.

同时,根据化石发现,似乎白垩纪的shorebirds(海鸟?)已经逐渐变得相对常见了。

This fault activated in the Cretaceous-Early Paleogene when it thrusted northwards and ceased downwards in the Lower-Middle Cambrian salts.

该断裂在白垩纪—古近纪早期活动,向北冲断,向下收敛于中-下寒武统膏盐层。

以准噶尔盆地白垩系底部不整合面为例,剖析了不整合面的结构特征。

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 temperature drop during the Cretaceous period would almost certainly have wiped out an 'abundance' of the world's dinosaurs.

曾经称霸地球显赫一时的恐龙,在白垩纪时代的这次温度巨变中,似乎全都灭绝了。

That means that our record of Balaur is restricted to the very end of the Cretaceous.

这意味着我们有关巴拉乌尔龙的记录限定于白垩纪的晚期的晚期。

The desert in the Ordos Basin is an important part of desert belt across China continent in the Cretaceous.

鄂尔多斯盆地白垩纪沙漠是白垩纪横贯我国西北-东南沙漠带的重要组成部分。

One was an isolated feather dating from the Cretaceous period (about 100m years ago) that was found in Brazil.

其中一个是在巴西发现的白垩纪(约1亿年前)的一根羽毛。

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。

The earliest known bird, Archaeopteryx, lived during the Jurassic, the period before the Cretaceous.

已知的最早的鸟类——始祖鸟,生活于白垩纪之前的侏罗纪。

指出白垩纪古气候具有时间上和空间上的不均匀性;

白垩-第三纪河淮盆地是在特提斯与太平洋动力学体系联合作用下形成的。

天外来客对地球的撞击与白垩纪的物种灭绝事件有着最为密切的联系。

克拉2大气田的发现,展示了库车坳陷白垩系良好的油气勘探潜力。

and the Cretaceous marine mudstone and coal-bearing formations of transitional facies.

白垩系海相泥岩和海陆交互相含煤层系。

在钻井施工中,白垩系、侏罗系地层井壁失稳严重。

中生代的三大岩系:三叠系、侏罗系和白垩系,是三个著名的产油岩系。

他们辛苦付出的回报是新的蜥脚龙(上图)和翼龙化石,这两种动物均生活在一亿年前的白垩纪。

This 65. 5-million-year-old layer of Earth separates fossils of the Cretaceous period from those of the Tertiary period.

这个有着6550万年历史的地层分离了白垩纪的化石和第三纪的化石。

The really strange thing is that there is absolutely no hint of anything happening at the end of the Cretaceous.

真正让人感到不解的是,在白垩纪时代所发生的一切变化却找不到任何线索。