cretaceous

US [krɪ'teɪʃəs]
UK [krɪ'teɪʃəs]
  • adj.白垩纪的
  • n.【地】白垩纪[系]
  • Web白垩的；白垩系；白垩记

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Web Definition

Cretaceous
adj.
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

Sample Sentence

Definition:
AllAll,白垩纪的白垩纪的,白垩纪[系]白垩纪[系],白垩的白垩的,白垩系白垩系,白垩记白垩记
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
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。
wǔ shí qī yīng chǐ cháng 、 zhòng dá jiǔ dūn de jí lóng zài zǎo qī bái è jì , dà yuē yī yì nián qián biàn xíng zǒu yú zhè ge xīng qiú zhī shàng 。
blog.sina.com.cn
2.
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。
dāng nǐ zài huái yí dào dǐ hái yǒu duō jiǔ cái néng kàn dào kǒng lóng de shí hou , bà wáng lóng tū rán chū xiàn bìng dài nǐ huí dào le bái è jì shí dài 。
dictsearch.appspot.com
3.
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。
kē xué jiā rèn wéi , zài bái è jì , yì lián chuàn de huǒ shān huó dòng dǎo zhì zhí wù zài hǎi píng miàn shēng zhǎng wàng shèng 。
article.yeeyan.org
4.
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。
wǎn bái è shì qī jiān , dà piàn qū yù dōu shì bèi zhè xiē chén jī wù suǒ fù gài , dàn shì tā men hěn dà chéng dù shàng dōu bèi qīn shí le 。
blog.163.com
5.
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；
lì yòng jǐng zī liào zhì zuò hé chéng dì zhèn jì lù , duì bái è xì 、 zhū luó xì gè zǔ dì céng jìn xíng le jīng xì biāo dìng ;
paper.pet2008.cn
6.
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。
xiàn dài dì zhì xué yán jiū biǎo míng , yàn dàng shān shì yī zuò jù yǒu shì jiè yì yì de diǎn xíng de bái è jì liú wén zhì gǔ huǒ shān — — pò huǒ shān 。
blog.sina.com.cn
7.
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。
tā shǔ yú chí lóng kē yī yuán , shì yī zhǒng lèi sì niǎo lèi de shòu jiǎo yà mù shí ròu kǒng lóng , zài bái è jì fán shèng yì shí 。
www.elanso.com
8.
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。
bèi rèn wéi shì bái è jì shí qī xiàn yǐ miè jué de yú , zhí dào yī jiǔ sān bā nián zài yuǎn lí fēi zhōu hǎi àn fā xiàn 。
www.jukuu.com
9.
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。
zhè zhǒng kē lì zài qí tā hǎo jǐ gè bái è jì mò qī yí zhǐ yě fā xiàn guò 。
www.jukuu.com
10.
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。
tú shàng huà diǎn bù fen wèi xià bái è jì mǎ dí zǔ xià bù jié jìng , shèn tòu de shā yán fēn bù qū yù 。
www.kuenglish.info
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