fixed fat

例句：

1. 1. The diet of the carnivorous animals is mainly composed of fixed fats.
   食肉动物的饮食主要由固定脂肪组成。
2. 2. The high-fat diet can lead to the accumulation of fixed fat in the body.
   高脂饮食可能导致体内脂肪的积累。
3. 3. The doctor advised him to reduce his intake of fixed fats and increase his intake of fiber.
   医生建议他减少摄入固定脂肪，增加摄入纤维。