名詞 jurassic:

1. from 190 million to 135 million years ago; dinosaurs; conifers
   同義詞：Jurassic period

形容詞 jurassic:

1. of or relating to or denoting the second period of the Mesozoic era

1. The Jurassic Period.
   侏羅紀(jì)，侏羅系

Ju.ras.sic

adj.（形容詞）
Of, belonging to, or designating the time and deposits of the second period of the Mesozoic Era, characterized by the existence of dinosaurs and the appearance of the earliest mammals and birds.See table at geologic time
侏羅紀(jì)的，侏羅系的：（屬于或界定為）中生代時代第二期的時間和礦床的。該時期以恐龍的存在和最早的哺乳動物和鳥類的出現(xiàn)為特征參見 geologic time
n.（名詞）
The Jurassic Period.
侏羅紀(jì)，侏羅系

來源：
French jurassique
法語 jurassique
after the Jura (Mountains)
源自 Jura (Mountains)