| 释义 |
lias/ˈlaiəs/n. 1 (作 Lias) Geol. the lower strata of the Jurassic system of rocks, consisting of shales and limestones rich in fossils 【地质】里阿斯岩石(早侏罗纪岩系的岩石，含页岩和富有化石的石灰石) 2 a blue limestone rock found in SW England 青石灰石(发现于英格兰西南部) □ liassic /laiˈæsik/ adj. (in sense 1 用于释义 1)[Middle English from Old French liois ‘hard limestone’, probably from Germanic] |