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白垩纪

n.the Cretaceous period
网络Cretaceous Period; Lower Cretaceous; Cretaceous K

白垩纪

英-汉网络释义

白垩纪

Cretaceous

白垩纪（Cretaceous） ---- 取自拉丁文Creta，意指白垩。第三纪（Tertiary） ---- 第三个衍生物。

Cretaceous Period

白垩纪 - 维基百科，自由的百科全书白垩纪 (英语： Cretaceous Period)是地质年代中中生代的最后一个纪，长达8000万年…

the Cretaceous period

白垩纪 （the Cretaceous period）是6.5千万至1.35亿年前的一个地质时代，位于侏罗纪和古近纪之间，是恐龙时代中生代的最 …

Lower Cretaceous

中生代岩层由上古生代（Upper Palaeozoic）的岩石构成，在下白垩纪（Lower Cretaceous）时发生褶皱。S形的山脉沿著勒那…

Cretaceous K

钻井地质英文词汇标准缩写 - 豆丁网 ... 细褶皱的，锯齿状的 crenulate cren 白垩纪，白垩系 Cretaceous K，Cret 裂隙 crevice c…

Kreidezeit

白垩纪这一时期形成的地层叫“白垩系”，缩写记为K，是德文的白垩纪（Kreidezeit）缩写。白垩纪时期的大气层氧气含量是现今 …

K-T

...很多人都对新生代第三纪（老第三纪、古近纪）和中生代白垩纪（K-T）之间那场大灾难中灭绝的非鸟类恐龙（non-avian dino…

例句：

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。

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。

Such grains have been reported in several end Cretaceous impact sites around the world as well.

这种颗粒在其他好几个白垩纪末期遗址也发现过。

The stippled area shows the distribution of a clean , permeable sandstone in the lower part of the lower cretaceous Muddy Formation .

图上画点部分为下白垩纪马迪组下部洁净，渗透的砂岩分布区域。

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。

You don't need to make a sound while your five good neurons crank out the next malformed sentence from your cretaceous skull , numb nuts.

你没必要在仅存的五个健全脑细胞从白垩纪脑袋里挤出畸形答案时发出声音，呆瓜。

Cretaceous Period , 145 million years ago , was the age of the dinosaurs.

白垩纪期间，145百万年前，是恐的年。

During his journey the incredible diversity of life in the Early Cretaceous Period is revealed .

从它的旅程当中还可看到种种早期白垩纪的生物。

The Cretaceous was a period with a relatively warm climate and high eustatic sea level .

白垩纪的气候相当暖和，海平面的变化大。

any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs.

三叠纪至白垩纪的许多食肉恐龙，前肢短，靠其强壮的后肢走或跑。

jurassic and cretaceous , the marginal ocean basin was in the stage of ocean crust evolution and had a setting similar to mid - ocean ridge.

侏罗白垩纪为洋盆洋壳演化期，处于类似洋中脊的构造环境。

Derived from the Greek words for wing and finger , what name is given to a flying lizard of the Jurassic and Cretaceous periods?

来源于希腊单词，表示翅膀或者手指，侏罗纪和白垩纪的中飞行的蜥蜴叫什么名字？

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。

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 west side of the lake offers much older fossils from the Miocene, Oligocene and Cretaceous eras (including dinosaur remains).

而盆地西部的化石，年代则更古老，从含有恐龙遗迹的白垩纪，到渐新世与中新世。

白垩纪

白垩纪