saggar clay

例句：

1. 1. The ancient pottery was made from saggar clay.
   古代陶器是用粘土制成的。
2. 2. The farmer used saggar clay to make his garden beds.
   农民用粘土来制作他的花园床。
3. 3. The saggar clay is rich in minerals that are beneficial for agriculture.
   粘土富含对农业有益的矿物质。