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.A stalagmite . The cave is full of them.石笋,这个洞穴里随处可见.Not every stalactite has a complementary stalagmite.不是每根钟乳石都有互生的石笋....
真皮是由支撑表皮的结蒂组织构成的.The dermis is composed of the connective tissue that supports the epidermis.生殖带是表皮的腺体部分.The clitellum is the glandular portion of the epidermis.'皮下组织'.''紧挨表皮的一层细胞.A layer of cells lyi...