音标:[krɪ'teɪʃəs] ;
cretaceous
[kri'teiʃəs]
adj.
白垩质的;似白垩的;含白垩的
[C-]【地质学】白垩纪的;白垩系的
n.
[C-]【地质学】白垩纪;白垩系

Their teeth were recurved which means they start to point backwards and they were also very blade-like and had serrated edges. 它们的牙齿后弯曲,这意味着它们开始指向后方,它们也是很像利刃边缘呈锯齿状。 Three tons

发表于:2018-12-28 / 阅读(286) / 评论(0) 分类 侏罗纪搏击俱乐部

Unit 43 What Caused the K-T Mass Extinction? The latter part of the Cretaceous Period was a time of continental drift and accompanying volcanic activity. The supercontinent was splitting up and the continents were taking on their modern-day forms. Ma

发表于:2018-12-30 / 阅读(292) / 评论(0) 分类 英语流行话题阅读:语境识词4500

考试日期: 2012 年 11 月 3 日 Reading Passage 1 Title: The dinosaurs footprints and extinction Question types: YES/NO/NOT GIVEN, Summary 文章内容回顾 文章从恐龙的脚印开始讲恐龙的灭绝。 英文原文阅读 Mass Extinction

发表于:2019-01-08 / 阅读(367) / 评论(0) 分类 雅思机经

Its unlike any other creature that has walked the planet. T-Rex is different. Something about Tyrannosaurs and Tyrannosaurus Rex itself is different than other predatory dinosaurs. But for such a celebrated killer able to take on the toughest creatur

发表于:2019-01-23 / 阅读(300) / 评论(0) 分类 探索与发现2013年

In a prehistoric world, theres a war waging between herbivores and carnivores, and the plant-eaters are winning. They seem to break all of the rules. Theres nothing like them around today. For these plant-eating giants, survival relies on a battery o

发表于:2019-01-23 / 阅读(373) / 评论(0) 分类 探索与发现2013年

I think that a big pterosaur on the ground wouldve been spooky because they would be moving around on all fours. Theyd probably have those sort of quick, precise movements like birds, but theyd be huge. Quetzalcoatlus lives by its own rules. Most mea

发表于:2019-01-23 / 阅读(425) / 评论(0) 分类 探索与发现2013年

Science and Technology 科技 Fossil feathers 羽毛化石 Not just for the birds 并非鸟类独有 A trove of fossils sheds light on the evolution of feathers 珍贵羽毛化石的发现能够更好地阐释羽毛的进化过程 THE fossil record i

发表于:2019-01-26 / 阅读(343) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Mass extinctions 大灭绝 Small but deadly 陨石很小不过危害却很致命 The biggest extinction in history was probably caused by a space rock that changed the climate 历史上规模最大的一次物种灭绝

发表于:2019-02-06 / 阅读(294) / 评论(0) 分类 经济学人科技系列
学英语单词
account in bankruptcy
acetyl acetone
actual standard
after deck house
alpha-Meprodine
Anderson localization
anterior palpebral edge
attestation of weight
avalache blast
babo
bails out
balantidiosis
brailing operation
Brican
briefing chart
broadness of band
cable shaker
ceiling of convection
Chinese whisper
chrominance components
cochi
collector road
consumable material
coseps
cytopharmacology
damage to ship
dermal denticle
disc and drum turbine
discured
doping method
dorso-alar-region
dummy main program
eisvogel
engineering mathematics
entrance end
fewmishing
flow of funds statistics
frohwirth
functional lesion
geometric satellite triangulation
geothermic step
glycerine
grain angle
Guillery cupping test
informational science
Kumënskiy Rayon
lapidator
legal tare
lift-curve-slope parameter
limited depositary
lumbocosto-abdominal triangle
medium weight fabric
melantine
Messinese
mimologiques
miniwarehouse
momentum bias attitude control system
montipora nodosa
moralizing
naomie
negaters
Neumann algebra
nondrying
objective carrier
organic correlation
otoneuralgia
Papanicolaou smear
paperdoll
pappad
parasitic image
pave the way to
petro-chemical
Piddle, River
praeposituss
prossession
queu(e)ing register
radio proximity fuze
reductive water
roddon
roundabout ways
scientize
Scottish Opera
sensitivity time control circuit
soignous
solvent-in-pulp-extraction
spackly
speed-test
spring-tooth cultivator
statutory survey
sweet potato vine
the Wicked Bible
thermal sensitivity
took point
tool for compiler writing
triple point path
tsukihitza
turn-around table
under-admiral
warraine
west coast hemlocks
Wireless Signalling Instruction
zygotoblast