释义 |
li·as I. noun also ly·as \ˈlīəs\ (-es) Usage: often attributive Etymology: Middle English lyas, from Middle French liois, probably from lie dregs; from the appearance — more at lee : a kind of blue limestone found especially in southwestern England II. adjective Usage: usually capitalized Etymology: from Lias oldest division of the European Jurassic system, from lias (I) : of or relating to a subdivision of the European Jurassic — see geologic time table |