coarse-crystalline

例句：

1. 1. The coarse-crystalline sand is perfect for building sandcastles.
   粗晶的沙子非常适合建沙堡。
2. 2.Coarse-crystalline minerals are often found in rocks.
   粗晶矿物通常存在于岩石中。
3. 3.The coarse-crystalline structure of the mineral can be used to determine its chemical composition.
   这种矿物的粗晶结构可以用来确定其化学成分。