cretaceous
美 [krɪ'teɪʃəs]
英 [krɪ'teɪʃəs] 
- adj.白垩纪的
- n.【地】白垩纪[系]
- 网络白垩的;白垩系;白垩记
英汉双解
1. | 白垩纪的of the period between around 146 to 65 million years ago, when dinosaurs lived (until they died out); of the rocks formed during this time |
英汉解释
英英解释
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。
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。
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。
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。
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 fault-depression type, known as the later Late Mesozoic basin, was formed between later Early Cretaceous and Late Cretaceous .
断拗型盆地形成于早白垩世晚期-晚白垩世,又称晚中生代晚期盆地。
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。
Yazui Long also known as the platypus, is the late Cretaceous bird-head herbivorous dinosaur of a family.
鸭嘴龙也称为鸭嘴兽,是白垩纪后期鸟盘目草食性恐龙家族的一员。
The Chimen bojite with a nearly NS strike, was a product of mafic magma activity in southeastern China at the end of Late Cretaceous.
赤门角闪辉长岩是中国东南部晚白垩世末基性岩浆活动的产物,分布在福建省南平市的北部,总体呈近NS向展布。
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。
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。
Detailed geochronological study shows the mainly eruption ages of these volcanic rocks are Late Cretaceous- Paleogene.
年代学研究表明,乍得西南部盆地内火山岩的主体喷发时代为晚白垩世-古近纪。
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。
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)。
any of several four-footed herbivorous horned dinosaurs with enormous beaked skulls; of the late Cretaceous in North America and Mongolia.
几种四足食草性长角的恐龙,巨大的颅骨呈鸟嘴状;生活在后白垩纪的北美和蒙古。
The fourth occurred at the end of the Early Cretaceous, showing titling with weak faulting and folding.
其四发生在早白垩世末期,表现为掀斜运动,褶皱和断裂作用相对较弱。
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。
oleanane biomarkers indicative of angiosperm input and a Cretaceous or younger source rock.
被子植物齐墩果烷生物标志物和指示输入一个白垩纪或更年轻烃源岩。
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?
During the Cretaceous , however, many of these blocks of land were near their current latitudinal position or higher.
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。
Early Cretaceous magmatism during the strike-slip movement indicates that the fault zone put into crust-mantle boundary.
早白垩世走滑期的岩浆活动,指示当时断裂带切入了壳-幔边界。
The uplifting of the Late Cretaceous was limited in the area of the Kuqa Depression and had no effect on the Tianshan orogenic belt.
晚白垩世的隆升事件局限在库车坳陷内部,没有影响到天山造山带。
Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.
黄昏鸟是一种已经灭绝的不会飞翔的水鸟,生活在白垩纪晚期。
This Late Cretaceous deformation determined the complicated contact relationships of Cenozoic and Early-Cenozoic sequences.
现今新生代层序和下伏层序的复杂接触关系主要是由该期构造运动决定的。
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 Upper Jurassic-Lower cretaceous reservoir in Minhe Basin is commonly of low porosity and low permeability or extremely low permeability.
民和盆地储层物性较差,普遍具有低孔、低渗或低孔、特低渗的物性特征。
The structural characteristics of unconformities are analyzed with the Cretaceous base unconformity in Junggar Basin as an example.
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。
The formation of relatively simple, mainly of Cambrian, Devonian Carboniferous series leaf pond formation, Cretaceous strata.
地层较为简单,主要有寒武系—泥盆石炭系地层、白垩系上统叶塘组地层。
It says lice are old, predate the Cretaceous-Paleogene boundary, and must have been living on something.
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 shale of Lower Cretaceous is uniquely verified to be source rock in B basin of Central Africa region.
中非地区B盆地下白垩统泥岩是该盆地目前唯一证实的烃源岩。