《cretaceous》怎以读
英 [krɪ'teɪʃəs]
美 [krɪ'teɪʃəs]
《cretaceous》是什么意思
白垩的，白垩纪的；
白垩纪，白垩系；
英英释义
cretaceous[ kri'teiʃəs ]
- n.from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
同义词：Cretaceous period
- adj.
- abounding in chalk
- of or relating to or denoting the third period of the Mesozoic era
学习《cretaceous》怎么用
词组短语
cretaceous period白垩纪
双语例句
用作形容词(adj.)
- The story takes place 6500 years ago in the late Cretaceous period.
故事发生在6500万年前的白垩纪晚期。
用作名词(n.)
- From the Cretaceous, Tarim basin began the new evolutional stage of foreland basin.
从白垩纪初期开始
权威例句
Cretaceous-Tertiary boundary event: Evidence for a short time scaleA BOTANICAL INDEX OF CRETACEOUS AND TERTIARY CLIMATESExtraterrestrial Cause for the Cretaceous-Tertiary ExtinctionImpacts of the Cretaceous Terrestrial Revolution and KPg extinction on mammal diversification.EXTRATERRESTRIAL CAUSE FOR THE CRETACEOUS-TERTIARY EXTINCTION: EXPERIMENT AND THEORYNature and significance of the Early Cretaceous giant igneous event in eastern ChinaA new geomagnetic polarity time scale for the Late Cretaceous and CenozoicThe Theropod Ancestry of Birds: New Evidence from the Late Cretaceous of MadagascarRevised calibration of geomagnetic polarity time scale for the Late Cretaceous and CenozoicExhumation of the ultrahigh-pressure continental crust in east central China: Cretaceous and Cenozoic unroofing and the Tan-Lu fault