石笋的例句（石笋在句子中的用法）

• the form of stalagmites 石笋的形成
• Not every stalactite has a complementary stalagmite. 不是每根钟乳石都有互生的石笋.
• A stalagmite . The cave is full of them. 石笋,这个洞穴里随处可见.
• A stalagmite is below a stalactite and they both grow, eventually to meet. 石笋在钟乳石下面,它们二者都在增长, 最终会合.