After switching on powerful arc lightsthey saw great stalagmites-some of them over forty feet high-rising up like tree-trunks to meet the stalactites suspended from the roof.

• 他们翻开强力弧光灯，看见一棵棵巨大的石笋，有的高达40英尺，像树(yingchi_xiangshu)干似的向上长着，与没顶悬挂的钟乳石相接。