botryoid

例句：

1. 1. The botryoid structure of the rock is unique and fascinating.
   这种岩石的多孔结构独特且引人入胜。
2. 2.The botryoid texture of the stone adds a touch of elegance to the room.
   石头的多孔纹理给房间增添了一丝优雅。
3. 3. The botryoid formations are formed by the gradual accumulation of minerals over millions of years.
   多孔岩石的形成是通过数百万年矿物质的逐渐积累形成的。