常见例句雙語例句This pedestal rock began as a mass of pebbly sandstone.這個基巖開始大量的含礫砂巖。The caprock of the hard Slick Rock Member of the Entrada Sandstone is perched upon a pedestal of mudstone.在硬磐斯利尅羅尅成員恩特拉德砂巖蓋層是建立在對泥巖座棲息。 返回 rock pedestal