pottery stone的用法和樣例：
例句
- Porcelain stone and kaolin have different ingredients and origins so that they have different methods of quarrying and processing.
瓷石與高嶺土的礦物成分不同，成因有別，在開採和加工方法上也有區分。 - When porcelain stone is ground to fine powder, potters block the flow of water gates to stop the water-powered trip-stamper.
瓷石舂細后，陶工用閘板截擋住水流，使水碓停止運轉。
