短语词组短語red -sandstone embankment 紅砂巖路基red medium -weathered sandstone 中風化紅砂巖road -bed of red-sandstone 紅砂巖路基rock -socketed piles in red-sandstone 紅砂巖嵌巖樁coarse -grained red sandstone soil 紅砂巖粗粒土 返回 red-sandstone