Jurassic
adjective /dʒʊˈræsɪk/
/dʒʊˈræsɪk/
(geology- of the period between around 208 to 146 million years ago, when the largest known dinosaurs lived; of the rocks formed during this time
Topics Historyc2侏罗纪的;侏罗纪岩系的 词源mid 19th cent.: from French jurassique; named after the Jura Mountains, in France and Switzerland.