石碳酸皂

例句：

1. 1. The soapstone is very soft and easy to carve.
   肥皂石非常柔软，易于雕刻。
2. 2. The soapstone was used as a natural cleaning agent in ancient times.
   肥皂石在古代被用作天然的清洁剂。
3. 3. The soapstone has been found in many places around the world, including in caves and on the surface of theearth.
   肥皂石在世界许多地方都有发现，包括洞穴和地表。