pottery

noun [集合/集体]陶器；陶土，黏土；制陶，陶艺；陶瓷厂；陶瓷之都（斯塔福德郡特伦特河畔斯托克市周边地区，为英国陶瓷工业基地）（the Potteries）

You can use pottery to refer to the hard clay that some pots, dishes, and other objects are made of.
陶土•  Some bowls were made of pottery and wood. 一些碗是用陶土和木头做的。