| 单词 | Cretaceous period |
| 释义 | Cretaceous period (once / 51840 pages) n WORD FAMILY Cretaceous period: Cretaceous periods USAGE EXAMPLESThe amber deposits of northern Myanmar harbor one of the most diverse arrays of animals from the Cretaceous period. Science Magazine(Dec 08, 2016) At the end of the Cretaceous period, roughly 67 million years ago, bugs were nibbling away with abandon. Washington Post(Nov 07, 2016) The 133-million-year-old specimen came from the skull of an Iguanodon, a genus of large, iconic herbivores that lived during the Jurassic and Cretaceous periods. Washington Post(Oct 28, 2016) n from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants Syn|Exp Cretaceous geological period, period a unit of geological time during which a system of rocks formed |
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