硬脂

例句：

1. 1. The butter is made from the hard-boiled eggs.
   黄油是由煮熟的鸡蛋制成的。
2. 2. The oily substance is used in cooking and as a lubricant.
   这种油状物质用于烹饪和作为润滑剂。
3. 3. The fat content of the food can affect its nutritional value.
   食物中的脂肪含量会影响其营养价值。