砾咋组词 急急急急急急急

飞沙走砾 砾石 lìshí [gravel;whestone]碎小石块 砾石屋面 lìshí wūmiàn [gravel roofing]在沥青面层上嵌有砾石的组合屋面层 砾岩 lìyán [conglomerate;conglomeration]由水冲岩块的磨圆碎块固结而成,或卵石经硅质或泥质物胶结而成的岩石 ...