短语词组短语stalacto stalagmite 钟乳石笋karst stalagmite 岩溶石笋aragonite stalagmite 文石石笋Stalagmite microbanding 石笋微层stalagmite luminescence 石笋发光性mud stalagmite 泥石笋choked stalagmite 剥刺石笋mushroom stalagmite 蕈状石笋ice stalagmite 冰笋 返回 stalagmite