出窑粘土制品的拣选一种白色的粘土状矿物。
Sorting of kiln clay product a white clayey mineral .
一种白色的粘土状矿物。
A white clayey mineral .
称12至15克白色化妆用粘土,放入一个小碗中。
Weigh out 12-15 g of white cosmetic clay and put it into a small bowl .