fern-leaf crystallization of cervical mucus

例句：

1. 1.The fern-leaf crystallization is a natural mineral found in the soil.
   蕨叶结晶是一种存在于土壤中的天然矿物。
2. 2.The fern-leaf crystallization has been used in traditional medicine for centuries.
   蕨叶结晶在传统医学中被使用了几个世纪。
3. 3. The fern-leaf crystallization is believed to have healing properties.
   人们相信蕨叶结晶具有治疗性质。