| 释义 |
nouna type of rock composed of alternating layers of bluish shale or clay and grey argillaceous limestoneSee also Lias Words nearby blue liasblue jet, blue john, blue law, blue laws, blue-leg, blue lias, blueline, blue lips, blue lotus, Blue Mantle, blue marlin Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |