侏羅紀的,侏羅系的侏羅紀
Jurassic \Ju*ras"sic\, a. (Geol.)
Of the age of the middle Mesozoic, including, as divided in
England and Europe, the Lias, O["o]lite, and Wealden; --
named from certain rocks of the Jura mountains. -- n. The
Jurassic period or formation; -- called also the {Jura}.
Jurassic
n : from 190 million to 135 million years ago; dinosaurs;
conifers [syn: {Jurassic period}]