A stalactite is a long piece of rock which hangs down from the roof of a cave. Stalactites are formed by the slow dropping of water containing the mineral lime. 钟乳石(长顶上的)
noun [专属名词][地质] 钟乳石
The nose is a manifest congealed drop or stalactite. 鼻子,很明显,是一个凝聚了的水滴,或钟乳石。