stipites

例句：

1. 1.The stone resin is used in the production of polishing stones.
   石脂用于生产抛光石。
2. 2.The ancient city was buried under layers of stipites.
   这个古城被厚厚的石脂层所埋。
3. 3. The stipites were extracted from the ancient tombs.
   这些石脂是从古代墓穴中提取出来的。