fat center

例句：

1. 1. The doctor advised him to lose weight and maintain a healthy diet.
   医生建议他减肥并保持健康饮食。
2. 2.The fat center of the animal is where most of its energy is stored.
   动物的脂肪中心是它储存能量的地方。
3. 3. The fat center of the cake is where the buttercream frosting is placed.
   蛋糕的脂肪中心是放置奶油霜的地方。