基本解釋沙礫質土英漢例句雙語例句Quicksand consists of a buoyant blend of round granules of light sand, blended with water, or of light soil and gritty mud, or of mud peppered with pebbles.流沙是由輕沙的圓形小顆粒與水，或輕質土壤及砂礫或摻雜有鵝卵石的爛泥混合而成。gritty soil更多例句專業(yè)釋義地球科學砂礫質土