cylindrulite

例句：

1. 1. The mineral is found in theform of crystals that are shaped likecylinders.
   这种矿物以晶体的形式出现，呈圆柱状。
2. 2. The cylindrulite was used as a building materialfor ancient Egyptian pyramids.
   圆柱状石盐被用作古埃及金字塔的建筑材料。
3. 3.The cylindrulite wasextracted from the ground and then processed intovarious products.
   圆柱状石盐从地下提取出来，然后加工成各种产品。