1.砂岩漂砾
1.any large sedimentary rock that has been broken into blocks by frost action and is found on the chalk downs of southern England
1.Bringing a sarsen stone to Stonehenge requires years of planning.
把岩石带到巨石阵是需要常年的计划的。
2.The closest source of the large sarsen stones is here at the Marlborough Downs, to the north of Stonehenge.
最近的石头资源是在万宝路低谷这儿,面对巨石阵北面的地方。