invisible fat

例句：

1. 1. The doctor advised me to lose weight by eating healthier and exercising more.
   医生建议我通过更健康的饮食和更多的锻炼来减肥。
2. 2. Many people believe that losing weight is a good way to improve their health.
   许多人认为减肥是改善健康的一种好方法。
3. 3. The study found that invisble fat can increase the risk of heart disease.
   研究发现，隐形脂肪会增加心脏病的风险。