macrocrystalline

例句：

1. 1.The crystals are arranged in a hexagonal pattern on the surface of the glass.
   晶体在玻璃表面的六边形图案中排列。
2. 2.The crystal structure of quartz is known for its unique properties.
   石英的晶体结构以其独特的性质而闻名。
3. 3.Macrocrystals have been found to be more resistant to corrosion than microcrystals.
   研究发现，与微晶相比，宏观晶体对腐蚀的抵抗力更强。