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.
英漢詞典釋義
n.
鐘乳石
the form of stalactites鐘乳石的形成
英英詞典釋義
Noun
1. a cylinder of calcium carbonate hanging from the roof of a limestone cave