ceratine

例句：

1. 1. This compound is used in theproduction of plastics and rubber.
   这种化合物用于生产塑料和橡胶。
2. 2. Thehardness of the materialcan be adjusted by adding differenttypes of ceratine.
   通过添加不同类型的硬脂酸盐，可以调整材料的硬度。
3. 3. Ceratine is anatural substance found in many animal products,such as butter and cheese.
   硬脂酸盐是一种天然存在于许多动物产品中的物质，如黄油和奶酪。