Jurassic

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++Ju·ras·sic /dʒʊˈræsɪk / adjective  belonging or relating to the period of time from about 210 million years ago to about 140 million years ago, when there were dinosaurs and the first mammals and birds 侏罗纪的 the Jurassic period 侏罗纪

Ju·ras·sic adjectiveChineseSyllable  

Jurassic
Ju‧ras‧sic /dʒʊˈræsɪk/ adjective
belonging or relating to the period of time from about 210 million years ago to about 140 million years ago, when there were dinosaurs and the first mammals and birds:
    the Jurassic period

Jur·as·sicBrE /dʒʊˈræsɪk/ 🔊NAmE /dʒʊˈræsɪk/ 🔊 adjective (geology 地质学) of the period between around 208 to 146 million years ago, when the largest known dinosaurs lived; of the rocks formed during this time 侏罗纪的；侏罗纪岩系的▸ the Jur·as·sic BrE /ðə ˌdʒʊˈræsɪk/ 🔊NAmE /ðə ˌdʒʊˈræsɪk/ 🔊 noun [singular]